Product Description

Calvin's 4x4x6 Cuboid Puzzle is a shapeshifting brainteaser of the Cuboid series of puzzle cubes that is sure to provide hours of enjoyment each and every time you try to solve it. If you've solved the Calvin's 3x3x5 Cuboid, this is your next challenge! The puzzle takes on a different shape when scrambled, requiring the solver to not only bring it back to shape, but also to match the colors on each side.