Super absorbent polymer spheres

Super absorbent polymer spheres

When placed in warm water for 2 hours, they swell up to several times their size and turn into clear little spheres. They even bounce when you throw them on the floor.

Price Stocked Sold by
Like this? Show your friends!

You might like these:

Heat-Shielding Gel
Aluminum Foam
Rubber Glass
Temperature-Sensitive Glass