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Carl’s Bubbloid 5x5x4 is a unique and rare custom puzzle designed by renowned puzzle designer Carl Hoff. This cuboid combines an irregular 5x5x4 structure with rounded and smooth edges, creating the characteristic "bubbloid" shape. With its asymmetrical layer configuration and varying layer widths, it adds an extra challenge where both layer rotation and shape-shifting play a key role in solving. The rounded edges make the puzzle comfortable to handle, while its visual design makes it a striking gem in any collection. Carl’s Bubbloid 5x5x4 is a perfect blend of creative engineering and technical challenge, appealing to collectors and twisty puzzle enthusiasts who love unique and challenging designs.
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