There’s a fine line between brilliant and bizarre, and geniuses rarely think inside the box. Yes, that goes for the best artists, engineers, and philosophers — but it also goes for the people who invented these weird-ass things on Amazon. They may seem a little ridiculous, but according to hundreds of thrilled reviewers whose lives are now easier and more efficient, these under-$20 items are downright brilliant. Adhesive caster wheels for moving heavy items aroundTRVL FIELDER Store Adhesive Caster Wheels (8-Pack)Amazon - Stand mixers, blenders, espresso machines, toaster ovens, printers, dehumidifiers, potted plants — stick these adhesive caster wheels to just about any heavy item to improve maneuverability and minimize scratching. Each one has three wheels that roll 360 degrees, and they come in your choice of black, white, or clear. Available sizes: 4 PCS — 24 PCSAvailable styles: 2Silicone clips that prevent your glasses from slidingYINGFENG Glasses Ear Clips (20-Pairs)Amazon - If your glasses slip down your nose while you’re going about your day, these silicone ear clips are effective, comfortable, and compatible with most pairs. “Works great for teaching yoga in a hot room!” one reviewer raved, while a nurse said, “It's so frustrating when my glasses slip down [while I’m doing sterile procedures.] I bought these and gave out extras to coworkers and everyone loves them.” Available styles: 5Pumice stone cleaners that tackle rust, stains & ringsPowerstone Pumice Stone Toilet Bowl Cleaner Amazon - I’ve used these stone cleaners in my own home to remove rust from the bathtub and rings around the toilet. The pumice head is abrasive enough to tackle hard water stains and mineral deposits, but won’t scratch porcelain or ceramic — and the long handle gives you leverage and keeps your fingers away from the mess. Available sizes: Pack of 1 — Pack of 4Realistic-looking hair fibers that fill in thin spots BOLDIFY Hair Thickening Fibers Amazon - I’ve seen this Boldify hair-thickening solution in action, and I cannot believe how real it looks. Available in 14 shades, the powder formula contains highly pigmented fibers that grip onto existing hair follicles to fill in thin spots — and it stays put despite wind, sweat, and movement. Available sizes: 0.175 Ounce — 1.97 OunceAvailable styles: 19A set with 2 types of microfiber gloves that make cleaning a breezePotchen Dusting Gloves Set (6-Pieces)Amazon - Dust furniture, clean windows, and wash your car without compromising on dexterity. This microfiber cleaning set includes two pairs of fuzzy gloves and two dusting mitts, all of which are comfortable to wear, washable for reuse, and statically charged to cling onto dust. “They make cleaning blinds and fans a breeze,” one reviewer said. Available styles: 4Cute self-closing toothpaste caps that minimize messTilcare Self-Closing Toothpaste Caps (6-Pieces)Amazon - Kids and adults alike love these self-closing toothpaste caps, which come in adorable animal designs and feature X-shaped openings that minimize drips, messes, and waste. Made from BPA-free, easy-to-wash silicone, they fit most standard tubes.Available styles: 5Teeth wipes for on-the-go fresheningUNIQUE2U Finger Brush Teeth Wipes (100-Pack)Amazon - These textured teeth wipes fit over your finger so you can freshen up your mouth on the go, and they’ve earned an overall 4.5-star rating from over 1,100 reviewers because they’re convenient and effective. “Best thing since toothpaste,” one reviewer said. Another raved, “They have a pleasant minty taste and leave your mouth feeling clean.” Car whistles designed to deter deerElook Deer Whistles (2-Pack)Amazon - Install these deer whistles on the front of your car using the double-sided tape. When wind passes through them, they’re designed to create an ultrasonic sound that deters deer to prevent accidents. These have an overall 4.4-star rating from more than 8,100 reviewers, one of whom wrote, “We installed two on each vehicle. The deer actually run in the opposite direction as we approach.” Available sizes: 2 Pack — 8 PackA memory foam armrest for your carTimorn Center Console CoverAmazon - Slip this padded armrest over the center console in most vehicles, and its plush memory foam will cushion your arm and elbow while you drive. It also has a breathable cover that’s removable and washable. Reviewers called it “extremely comfortable,” “great quality,” and an “elbow saver” for long car rides. Remote covers that are easy to see in the darkOneBom Glow In The Dark Remote Cover (2-Pack)Amazon - They’re such a simple, affordable purchase, but according to reviewers, these glow-in-the-dark remote covers are “really cool,” “easy to see,” and “a must-have” if you regularly lose your remote. Made from shock-proof, slip-resistant silicone, they come in various colors and are designed to fit compatible Amazon Firestick and Fire TV remotes. Available styles: 11Scraping tools that remove labels, open battery covers & moreTypx Multi-Purpose Scraper (3-Pieces)Amazon - You’ll find countless uses for these scraping tools, including peeling off stickers and labels, scraping off grease, dirt, and wax, prying open battery covers, and removing dirt and dust from crevices. They’re made from durable plastic that won’t scratch your surfaces, and each double-sided tool has different heads for various jobs. Available styles: 4Double-sided clasps for zippers, D-rings & moreZpSolution Zipper Clips (4-Pack)Amazon - My dog is an especially skilled escape artist, so I use these double-sided zipper clips to keep his crate securely fastened — but you can also use them to clasp luggage or purse zippers together, connect D-rings, or hang lanterns, eyeglasses, and keychains. They’re made from sturdy metal and come in your choice of three colors. Available styles: 4Light pens that are compact & waterproof RECHOO LED Pen Light (4-Pack)Amazon - Reviewers called these LED pen lights an “excellent buy for the money” and a “must-have” for repair jobs, tinkering, emergencies, or finding items in your purse. They’re waterproof and battery-operated with impact-resistant aluminum shells, clickable switches, and metal clips you can slide onto notebooks and hat brims. Available styles: 5This facial spatula that extracts junk from poresGUGUG Skin Scrubber SpatulaAmazon - “I could not believe the junk I was able to get out of my face with this,” one reviewer said about this pore cleansing tool, which uses steam and ultrasonic vibrations to remove impurities, blackheads, and oil. It’s also rechargeable for cordless use and comes with two silicone sleeves for gentle exfoliation. Available styles: 3A cup that creates delicious frozen drinks in minutesZOKU Jumbo Slush and Shake MakerAmazon - Create delicious frozen treats at home using your own ingredients, including blended fruit, coffee, chocolate milk, soda, or homemade juices. The ZOKU creates 10-ounce slushies or shakes in under seven minutes; just pre-freeze the inner core, pour chilled ingredients into the cup, and scrape the sides using the included spoon to watch it freeze in real time. Available styles: 12Slotted spoons that double as colandersBarafat Scoop Colander (2-Pieces)Amazon - Drain vegetables, wash fruit, strain pasta, or retrieve meatballs, boiled eggs, dumplings, or potatoes. These kitchen utensils have wide perforated scoops and long handles, so they function as slotted spoons and colanders at the same time. They’re also dishwasher-safe and temperature-resistant up to 400 degrees Fahrenheit. A straw that’s designed to stop hiccupsHICCAWAY Hiccup StrawAmazon - This quirky gadget got its start on Shark Tank, and now it has tons of Amazon reviews calling it a “miracle straw” and the “best thing ever.” Using suction to activate the vagus nerve, the HICCAWAY straw is designed to stop hiccups fast — and studies showed that it was 92% effective. Available styles: 5Trash bag holders reviewers can’t live withoutPlasticMill Trash Bag Cinch (2-Pack)Amazon - It’s such a simple idea, but these trash bag holders have reviewers saying things like, “I don't know how I survived without these.” They easily mount to most cans and bins using double-sided adhesive stickers, and the X-shaped clips cinch the edges of your trash bags to prevent them from bunching up or slipping down. Available sizes: 1 Count — 25 CountAvailable styles: 4A portable trash can that fits in a cup holderBMZX Car Trash CanAmazon - Since it fits in standard cup holders, most people use this portable trash can to collect wrappers, receipts, and tissues in the car — but you can also use it to collect garbage on your nightstand, vanity, craft table, or work desk. It’s made from flexible silicone with a leak-resistant lid, and it’s earned an average 4.6-star rating from over 1,800 reviewers. Available sizes: 1 — 2Available styles: 2Terracotta discs that keep your brown sugar freshGoodful Brown Sugar Saver Discs (2-Pack)Amazon - Moisten these sugar saver discs in water and drop them in your brown sugar jar to keep it soft and fresh. Made from terracotta, they’re food-safe and reusable, and according to reviewers, they really work: “I was shocked,” one said. “Decided to see what would happen if I put these in with my rock-hard brown sugar. It was like magic! The next day it was completely soft, like I just bought it fresh!” Available styles: 2Dishwashing gloves with scrubbers on the palmsALPENKOK Silicone Dishwashing GlovesAmazon - Technically, these silicone gloves are designed to scrub dishes and remove food buildup from cookware — but some reviewers use them to exfoliate their face or wash their dog. Either way, the bristles are dense yet gentle and the five-finger design allows for dexterity while keeping your hands clean and dry. A vacuum attachment that boosts dryer safetyHolikme Dryer Vent Cleaner Hose KitAmazon - When it comes to preventing house fires and keeping your dryer operating in peak condition, you can do more than clean out your lint trap. This dryer vent attachment is compatible with most vacuums and has a flexible hose design that reaches deep into the ducts to keep your dryer working safely and efficiently. “My dryer is working just like new,” one reviewer said. Available styles: 2Flushable toilet seat covers that are biodegradableRelyo Flushable Toilet Seat Covers (50-Pack)Amazon - You no longer have to choose between germy contact or squatting. These flushable covers line public toilet seats with sanitary paper, so you can sit comfortably and avoid any bacteria. When you’re done, you can flush them away without guilt, granted they’re septic-safe, plastic-free, and biodegradable. A sunglasses organizer that’s sturdy & stylishCO-Z Sunglasses Organizer Amazon - Store your sunglasses in safety and style with this glasses organizer, which has eight slots wrapped in scratch-resistant velvet, a locking clasp for security, and a transparent lid for visibility. More than 8,000 reviewers have given it a 4.7-star overall rating because it’s “well-made,” “gorgeous,” and a “space-saving solution for those with a growing eyewear collection.” Available styles: Ultra-soft toothbrushes for sensitive gumsTetragonal tree Extra Soft Toothbrushes (6-Count)Amazon - The colorful bristles on these extra-soft toothbrushes aren’t just for aesthetics. They’re ultra-fine and diamond-shaped to clean teeth without irritation, sensitivity, or bleeding — and according to reviewers, they work: “Best set of toothbrushes I ever purchased,” one said. “Nice and soft, but work great for my teeth.” Available styles: 2A brush set to thoroughly clean reusable bottlesHolikme Bottle Brush Set (6-Pieces)Amazon - When was the last time you gave your reusable water bottle a deep clean? This bottle brush set makes it easy with six tools to scrub and sanitize every nook and cranny, including the interior, rim, mouthpiece, and straw. It has more than 4,700 five-star ratings, and some reviewers love it so much, they use it to clean “every bottle and awkward-shaped dish.” Available styles: 4Tongue scrapers that can improve taste & freshen breath Mouthology Tongue Scraper (2-Pack)Amazon - Using a curved, tapered design and easy-to-clean stainless steel, these tongue scrapers help you remove build-up and bacteria from your tongue to promote better oral health, improve taste, and freshen breath. “Works wonderfully!” one reviewer said. “I was surprised at how much it removes and how fresh my mouth feels after each use. You can literally see the improvement right away.”Available styles: 9Adorable bolt caps for your toilet available in lots of stylesWANSHUNLMI Toilet Bolt Caps (2-Pack)Amazon - Maybe your existing bolt caps are rusted and discolored, or maybe you just love cute decorative touches. Either way, these toilet caps are “adorable” and “totally worth it,” according to reviewers. They’re made from ceramic and come in several design options, including sea turtles, fish, frogs, whales, ducks, cats, and mushrooms. Available styles: 10Magnetic mounts that hold remote controlsXYOFUN Magnetic Remote Control Wall Mount (4-Pieces)Amazon - If you’re tired of searching for the right remote control for the right device, these magnetic remote mounts solve the issue once and for all. Each set has a piece that adheres to the device and another for its coordinating remote — or you can use them to mount utensils to appliances or electronics to the wall. Either way, they’re sturdy, scratch-resistant, and color-coded. Available styles: 3Taco plates made from microwave-safe siliconeYIIYOUNG Taco Holder Plate (Set of 2)Amazon - Taco lovers, rejoice: These colorful taco holder plates are made from BPA-free, microwave-safe silicone and have built-in slots that hold up to four crunchy or soft shells each. That way, you can prep, heat, transfer, and serve your tacos without mess or hassle — and they’re dishwasher-safe for effortless cleanup. Available styles: 4A shower mat that self-drains & can be used inside or outside the tubgodehone Non Slip Bathtub MatAmazon - Stylish like a bath rug, yet waterproof and non-slip like a shower mat, this grippy bathtub mat offers the best of both worlds. Its PVC loops feel like a loofah so you can scrub your feet without bending down, and the material rinses free of soap scum, self-drains without pooling, and dries fast to minimize mildew and unwanted odors. It can also be used inside the shower.Available sizes: 1' x 1'2" — 36" x 15.7" (Rectangular)Available styles: 12Silicone floor protectors that fit most furniture legsAneaseit Chair Leg Floor Protectors (16-Piece Set)Amazon - I’ve used these discreet floor protectors on my kitchen chairs and my bedroom dresser. They help me slide my furniture without scratches or strain, and thanks to their stretchy silicone sleeves that securely fit over most chair, desk, or furniture legs, they last way longer than those stick-on felt pads. Available sizes: Small — X-Large Available styles: 15A hanging mini trash can that makes food prep easier BanYakong Hanging Mini Trash Can Amazon - Slip this mini collapsible bin over a cabinet or drawer to toss food scraps and garbage without unnecessary trips to the trash can. “One of the handiest gadgets I have ever gotten from Amazon!” a reviewer raved, while another called it a “kitchen necessity” because it “makes meal prep so quick and easy.” Available styles: 3An elephant mug that’s adorable & practicalHAPPINESS APPLY HERE Ceramic MugAmazon - Reviewers called this elephant mug “adorable,” “practical,” and a “great gift” for the tea drinker — especially if that tea drinker is you. It’s made from ceramic with a speckled green glaze, and its tail doubles as a handle while its head is hollow to hold your used tea bag. Clever brushes for cleaning hard-to-reach spotsLiving&Giving Grout BrushAmazon - To thoroughly clean all the hard-to-reach spots in your home, this brush set includes three tools: a rounded dual-sided brush for faucets and drains, a semi-circle scrubber for grout and window tracks, and a toothbrush-like tool with a scraper for crevices and caulk lines. “Embarrassed by how much I like these,” one reviewer said, “and I hate cleaning, so that's saying a lot!” Available sizes: 3 Count — 4 Piece SetA sleek knife organizer that fits in a drawermadesmart Knife OrganizerAmazon - If you’re looking to minimize countertop clutter, this knife organizer offers a sleek alternative to clunky knife blocks. Designed to fit in most drawers, it has a non-slip liner with protective sheaths that store up to 11 blades of various sizes. “Fits discreetly in a drawer and holds my knives upright so I find what I am looking for immediately,” said one reviewer who loves that it’s “easy to clean” and “looks nice.” Available sizes: Small — Large Available styles: 2An easy-to-install pocket organizer for your carMoly Magnolia Car Pocket OrganizerAmazon - Stick this pocket organizer to just about any surface in your car using its sturdy 3M adhesive and velcro mounting design. Made from faux leather with stylish stitching and a roomy pocket, it’s designed to organize your phone, pens, receipts, and glasses while keeping them readily accessible on the go. Available styles: 6Stretchy sleeves that turn lip balms into keychainsWK IEASON Lip Balm Holder (3-Pack)Amazon - Chapstick fans can’t live without these lip balm holders, which are “extremely convenient” when it comes to keeping your favorite lip product accessible at all times. The stretchy canvas sleeve fits most brands while the metal rings clip onto your keys, bags, or fanny packs — and the brand also makes round designs to fit spherical or egg-shaped balms. Available styles: 12A diffuser that looks like a potted plantTAOYANG Essential Oil DiffuserAmazon - Reviewers are “obsessed” and “absolutely in love” with this essential oil diffuser, which looks like a realistic potted plant, but uses ultrasonic technology to release moisture and aromatherapy into the air. It has a 150-milliliter tank, a 25-decibel motor, and an automatic shut-off function, plus you can get it in green fern or lavender designs. Available styles: 3A UV black light flashlight that reveals hidden stains DARKBEAM Flashlight UV Black LightAmazon - Heads up: Once you get this mini UV flashlight, you’ll be scrubbing away at your home or asking to switch hotel rooms. The ultraviolet blacklight beam reveals unseen stains, germy messes, and pet urine on all types of surfaces, and the flashlight is compact and USB-C rechargeable for portability. Clear anti-slip shower treads you’ll barely see Secopad Anti Slip Shower Stickers (24-Pack)Amazon - These anti-slip shower stickers have earned over 6,000 five-star ratings because they’re effective and discreet. Using ecological glue and a textured EVA material, they stick to porcelain or tiles to offer durable traction that prevents slipping — but unlike mats and decals, they’re clear, waterproof, and barely visible. Available sizes: 12 — 24Available styles: 6A motion-sensing light for your keyholeDEEIRAO Motion Detector Keyhole LightAmazon - Sick of struggling to get your key in the door after dark? This motion-detecting keyhole light is a “brilliant product” that has reviewers wondering, “Why didn’t I buy this before?” It’s battery-powered, mounts to just about any surface with a double-sided adhesive, and uses motion-sensing technology to automatically turn on when you need it and off when you don’t. Tear-off microfiber cloths you can wash & reuseUPSTAR Microfiber Cleaning Cloth (50-Count)Amazon - “Amazing. This will save you big $$$,” one reviewer said about these cleaning cloths, which have a near-perfect 4.9-star overall rating. While they come in a tear-off roll that’s similar to paper towels, they’re made from machine-washable microfiber you can reuse over and over again for wiping glass, cleaning counters, polishing fixtures, and dusting furniture. Available styles: 4Compressed 100% cotton towels that expand when wetClassycoo Compressed Towels (100-Pack) Amazon - Made from 100% cotton and condensed down into the size of a small tablet, these compressed towels come individually packaged for easy travel. When moistened with cold or warm water, however, they expand into 8.7-by-7-inch cloths for washing your face, wiping your hands, or freshening up after the gym or on camping trips. Available sizes: 100 Count — 200 CountAvailable styles: 7A side-mount phone holder for your car screen or computerCloudValley Magnetic Phone HolderAmazon - This side-mount phone holder has an iPhone-compatible MagSafe magnet on one end, a sturdy 3M adhesive on the other, and a rotating arm in the middle. That way, you can easily secure your phone to the side of your laptop, tablet, computer monitor, or car screen while adjusting the angle and mounting or removing it with a single hand. Available styles: 4A multipurpose opener tool for cans, jars & capsUinxan Multifunctional Bottle and Jar OpenerAmazon - Open stubborn jars, pull can tabs, grip plastic bottle lids, and twist off beer and soda caps, all with one tool. Reviewers called this multifunctional jar and bottle opener a “must-have” for those with arthritis, limited mobility, or trouble opening containers by themselves. It’s also magnetic so you can store it on the fridge. Available styles: 4Self-gripping ties for cable organizationWrap-It Storage Self-Gripping Cable Ties (40-Pack)Amazon - These Wrap-It cable ties have taken Amazon by storm thanks to their simple yet genius functionality. Sold in a 40-pack of two sizes (5 inches and 8 inches), they organize and color-code charging cables, wires, and extension cords with their self-gripping look-and-look design — and they stay put on the cord when it’s in use. Available styles: 2An easy tool for DIY UncrustablesBOSIDETOOL Sandwich CutterAmazon - This sandwich cutter helps you make your own Uncrustables at home in minutes, on a budget, and using your preferred ingredients. It cuts and seals bread into a portable pouch that’s perfect for on-the-go snacking and lunch boxes, and reviewers said that it’s “easy to use,” “mess-free,” and “money-saving.” Available styles: 6A fun, power-free gadget that minces garlicChef'n Garliczoom Garlic ChopperAmazon - “By far my favorite kitchen tool,” one reviewer said about the Chef'n Garliczoom, while others called it “so much fun” and “the most effective way to chop [garlic] evenly.” Put up to three peeled cloves in the clear chamber, close it, and roll it back and forth on the table or countertop to spin the blade until the garlic is minced to your liking. It’s also dishwasher-safe for easy cleanup. Soda can lids that lock in freshness & prevent spillsMECHEER Soda Can Cover Lids (6-Pack)Amazon - Lock in carbonation, keep bugs out of your drink, and prevent spills on the go. These can lids are made from flexible silicone and designed to fit most standard cans, including soda, beer, and seltzer. They’re also dishwasher-safe for easy cleanup and color-coded so guests can mark their drinks. Available sizes: 6 Pack — 12 PackA laser tool that’s “so much easier” than tape measuresDTAPE Laser MeasureAmazon - “This is so much easier than hand measuring,” one reviewer said about this laser measure, while another raved, “life changing.” It’s lightweight, portable, battery-operated, and uses a precision laser to measure distances up to 165 feet before displaying various units on its backlit LCD screen. It also comes with a storage pouch and strap. A ceramic grater that doubles as a spoon restONTUBE Ceramic Grater Plate (2-Pack)Amazon - This ceramic grater plate “tackles garlic and ginger beautifully and I love being able to include these fresh aromatics in my cooking,” one reviewer said. The textured porcelain also works well for grinding onion, cheese, lemon, herbs, and chocolate, and when you’re done prepping ingredients, you can use it as a spoon rest. Silicone strainers that fit lots of cans, jars & glasses SIFTR Can Strainer Set (3-Pieces)Amazon - You don’t have to break out the colander every time you need to strain a can of beans, fruit, or veggies. This strainer set comes with three nesting strainers that fit most can sizes as well as mugs, cups, and glasses. They’re made from dishwasher-safe silicone, and you can also use them for poaching eggs, straining cocktails, and opening stubborn jar lids. Available styles: 3Hand strengtheners & finger stretchers in multiple resistance levels Pnrskter Hand Grip Strengthener (6-Pieces)Amazon - Since they’re made from dense silicone, these hand grip trainers help you strengthen the muscles in your fingers, wrists, and forearms — quietly and on the go. The set includes six pieces: three rings and three finger stretchers, both in 30-, 40-, and 50-pound resistance levels. Available styles: 2A remote page turner reviewers didn’t know they neededDATAFY Remote Control Page TurnerAmazon - “This is the best gadget that I never knew I needed,” one reviewer said about this remote-controlled page turner. Rechargeable and compatible with most tablets and e-readers, it allows you to keep reading without raising your hand to the screen, so you can rest your arm and stay snuggled under the covers. It also works from up to several feet away, so you can use it to take remote selfies. Available styles: 4A meat tenderizer that’s “life-changing”ZXZ Meat TenderizerAmazon - This meat tenderizer has earned an overall 4.6-star rating from more than 7,300 reviewers. Some said it’s “life-changing” and results in the “most tender and delicious” meat they’ve ever tasted. With 48 stainless steel needle blades and a comfortable handle, it softens the connective tissues in steak, pork, turkey, chicken, veal, and fish, plus it’s dishwasher-safe for easy cleanup. Available sizes: Regular — BiggerWallet card holders for your Apple AirTagsCITYWAY AirTag Card Case (2-Pack)Amazon - Rather than throwing loose AirTags into your wallet, luggage, or purse pocket, these highly rated card cases hold the trackers securely while fitting in card slots. They’re made from perforated ABS material, so they’re thin, sturdy, and stylish, and they’re compatible with Apple AirTags (not included). A toothbrush holder that helps to zap away bacteriaiHave Toothbrush Sanitizer and HolderAmazon - Get your toothbrush off the counter while keeping germs in check. This toothbrush holder mounts to the wall using a strong adhesive and a magnetic bracket. It’s rechargeable with dual-spectrum UVC and UVA lights to zap away bacteria, and it fits most manual and electric toothbrushes. Some reviewers also use it as a travel case. Available styles: 3A pop-up pouch that sanitizes your itemsHomedics UV Clean Portable SanitizerAmazon - This portable pouch has a pop-up design with UV lights, so it functions as a compact sanitizer designed to tackle up to 99.9% of germs. It fits most phones, makeup brushes, masks, glasses, and keys, and it’s rechargeable for cord-free use on the go. “Durable and good value,” one reviewer said. “Gives me peace of mind.” A peeler with a 3-in-1 designGANNK Vegetable PeelerAmazon - Looking to maximize functionality while minimizing kitchen tools? This three-in-one peeler has a rotating mechanism that contains three blades: a serrated blade, a standard peeler, and a julienne blade. It has stellar ratings because it’s sharp, effective, and easy to use, plus it comes with a potato peeler and a cleaning brush.