Growing Hand This Growing Hand is guaranteed to grow 500 times its size. email to friend
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This Growing Hand is guaranteed to grow 500 times its size when soaked in water! Maybe you can train it to give you some extra help! Includes one Hand, ready to grow. Non-toxic and safe to touch, the Growing Hand provides science fun for kids of any age.

What's included?

- 1 Growing Hand

How does it work?

The Growing Hand is really (don't tell anyone) made of superabsorbent polymers, designed to absorb more than 150 times their weight in water! Watch the Hand grow before your eyes and learn a little anatomy along the way. Everyone needs a helping hand!

*Use purified water for best results.

What does it teach?

Discover how thirsty polymers perform very important functions in everyday life. They're used in everything from baby diapers to environmental cleanup materials! Aside from their environmental and industrial uses, discover how different kinds of polymers help these "growing toys" keep their shape as they expand.