Introduced in 1973, Shrinky Dinks had kids (and crafty adults) creating artwork on flexible sheets of plastic that, when popped in the oven, would magically shrink down to approximately 1/3 their ...

With the magic of heat, the designs would shrink, allowing kids to make shrinky dink pictures, keychains, necklaces, charms, or whatever unimaginable little trinkets kids could devise. After ...

If you’ve ever played with a Shrinky Dink, you’ve seen a shape memory polymer in action. When you put one in the oven, it’ll shrink and harden. Of course, you can’t easily undo a Shrinky ...

A similar shrink-plastic product, PolyShrink, is sold by the company Lucky Squirrel. Some Shrinky Dinks get turned into the usual kid-friendly magnets, photo frames, ornaments and dog tags.

Both Slinky and Shrinky Dinks are recognized by TIME Magazine as two of the Top-All Time 100 Greatest Toys. Newsletter Today's breaking news and more in your inbox ...

They emerged only a portion of their original size, as though they had been zapped with a shrink ray. Morris and Bloomberg called them Shrinky Dinks, and over 3000 of them sold in 10 days.