Astrojax Orbital Ball Toy from ThinkGeek
http://www.thinkgeek.com/16e1?cpg=yt
-Astrojax is three weighted balls on a string. Swing them around and unlock a world of orbital motion, tricks, and awesomeness.
-Do all sorts of crazy tricks and experiments.
-Soft, low-density polyurethane foam balls with interior precision weights are the key to Astrojax amazing abilities.
-Created by a physicist after two years and hundreds of prototypes.
-Choice of colors: blue, red, or one of each.
-Includes neato carrying case.
-Dimensions: approx. 1.25" (ball diameter) x 34.5" (string length).
Music by Joneski: "Alarm"
http://joneski.bandcamp.com/
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Footage from this video is courtesy of Active People Toys.
We only re-cut it.