This is a Gear Cube / Caution Cube puzzle invented by Oskar Van Deventer and factory made by Uwe Meffert. I decided to make my own set of stickers by hand since I love the puzzle but dislike the original sticker design.
You can buy regular Gear Cubes here- http://www.amazon.com/gp/product/B00415E5JC?ie=UTF8&tag=tonyfisherpuz-20&...
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