In kid world, slime comes in multiple ooey-gooey forms: the kind made with glue that you can buy at the toy store that sticks to everything and ruins your brand-new area rug; the kind they make when ...

When I was a young girl, Nickelodeon released one of the most popular cheap toys kids could get. It was called Gak. Kids couldn’t get enough of the gooey, strange texture. They’d throw it, poke it, ...