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A well-designed 3D movable space puzzle.
This is a well made and well designed variation on the movable space theme. The blocks inside have both red and yellow sides which can be arranged into various solved pattern states.
There doesn't seem to be a non-descructive method to disassemble this puzzle.
The stand accompanying the puzzle allows the cube to balance (gingerly at best) on a corner. The "stem" of the stand also conveniently fits into the hole for storage.
The original package comes with text in german and english.
The four panels of the black and white site of the leaflet show four languages, german and elglish among others.
There are two different IQubes: one have two colors(yellow red) and other have three colors(green yellow red).
Image 6 shows a version built by Daniel Tseng. He filed a patent in 2001. It received number WO0117625. The first patent mentioned here was filed in 1989.
Thank you to the following people for their assistance in helping collect the information on this page: Sandy.
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