The Neocube is made of 216 spherical magnets that you can pull apart and reattach in whatever design your imagination takes you The movie shows an array of surprising transformations and mesmerizing shifts from one form to another. According to the website its a dual hemisphere brain stimulator all for a mere 40 bucks !
A word of caution though as they're magnets you won't want them anywhere near your watch or phone, huh ?
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