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by Hobby Lobby

SKU: 877167


ISBN-13: 0043067560018

Mardel Price $2.99


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Description of Rattleback by Hobby Lobby

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.

Spin it and watch it reverse. Laid on it's flat side it magnifies vertically.

Product: Rattleback
Vendor: Hobby Lobby
Brand: Tedco
Vendor Part Number: 56001
Weight: 0.06 pounds
Pkg. Length: 6.5 inches
Pkg. Width: 3.5 inches
Pkg. Height: 0.5 inches
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