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Rattleback Puzzle - Celt Stone - Rattle Back - Science Brain Teaser Magic Trick

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Rattleback Puzzle - Celt Stone - Rattle Back - Science Brain Teaser Magic Trick

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AU$5.00

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Description
Rattleback - puzzle - plastic

Spin it one way and it spins the other way.

Great for kids and adults.

This plastic toy mysteriously reverses its direction while spinning. A science curiosity whose ancient and mysterious properties capture the attention of all ages. This little oddity has a natural spin bias and is a cylinder lens that magnifies vertically. Rattlebacks were discovered by archeologists and were originally called celt stones. Rattlebacks are designed to only spin in one direction. If you try to spin it in the opposite direction a rattleback will slow down, stop and reverse direction. How can it do that? Explanations are included.There are many websites detailing the math behind this! Fascinating!

Mehow Magic
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