It shouldn’t be difficult to find good bath toys. And yet the world is full of slimy, revolting, sludge-filled options that may as well have been custom-made for the purpose of harboring mold and bacteria.As a parent, I had seen plenty of bath toys break bad over the years—foam blocks felled by suspicious speckles, a once-frisky Paw Patrol floatie subdued by splotches. But my call to arms was a plastic ballerina elephant squirter: It shot a cascade of slimy, greenish-black flakes into my toddler’s bathwater and sent me on this epic, sudsy quest for better alternatives.