TETRATOP™ SPINNER
ROLLOVER to spin - CLICK to freeze - RELOAD to restart
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TETRATOPS™ are the world's first tops with multiple axes of spin. |
icosahedron |
They can spin on any sphere! | ||
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Watch the amazing flip up action of the tetrahedron !
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tetrahedron |
Learn about the primary structural systems of our universe!
Tetratops™ can stack into incredible towers. |
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octahedron |
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cuboctahedron |
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