Rattleback

Availability: In stock

Spin the Rattleback clockwise and watch it stop, rattle up and down and then spin in the other direction! A science curiosity whose ancient and mysterious properties capture the attention of all ages. It also magnifies when positioned on its flat side. It is so entertaining you may find it difficult to stop spinning!
Features:
Made in USA by TEDCO.
For ages 6+.

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