Daniel's 3x3 Double cube V3 Calvin's Puzzle these have become obsolete and

these have become obsolete and other speedcube manufacturers have produced cubes which they have been unable to compete with

The DianSheng Solar S3M UV is a magnetic 3x3 speedcube that features a UV coated exterior

The DianSheng Galaxy 13x13 is the world's first mass produced magnetic 13x13 speedcube

Introducing the YuXin Panda Cube: Puzzle Playfulness with Panda Perfection

Daniel's 3x3 Double cube V3 Calvin's Puzzle these have become obsolete andDaniel's 3x3 Double Cube V3 the most fused version of the double cube series! This unique puzzle features two 3x3 speedcubes fused together in a way that restricts each cube to only 3 turnable layers. Unlike previous versions, the V3 joins the cubes such that one cube is fused directly into the core of the other, creating an incredibly complex solving challenge. Key Features: Two 3x3 cubes joined with only 3 layers turnable on each cube Easiest