Be Amazing! Toys Gravity Goo Amaze your friends with a batch of "goo" that seems to defy gravity by flowing uphill Grow jewel-like Garbled Marbles from tiny beads and watch them glow in the light, they shrink back down when you take them out of the water and you can use them again Grow awesome Clear Spheres from tiny pellets to almost ping pong ball size, they seem to disappear when you put them in water - What's happening there? Learn about amazing polymers and how they are used throughout our world All non toxic and fully safety tested