Spin, Rock & Roll with Odd Balls

Spin, Rock & Roll with Odd Balls
$19.95
Spin, Rock & Roll is a set of three colorful, take-apart-and-put-back-together, fun and fascinating creations! They are made up of wedges which snap onto a central disk in dozens of different combinations. They're so unique they're patented. You can spin 'em like tops, roll 'em like wierd balls, rock 'em like pendulums, or just look at 'em. Spin, Rock & Roll combines art, math, and physics without making you really think about any of that stuff. Only your imagination limits what you can do with them!
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