CodebreakerA moving hole puzzle where you can can twist the 4 corner tiles all at once.
Color Cube PuzzleEight cube in a case with nine possible slots. The cubes have to be rolled around to scramble and solve the puzzle.
Color PuzzlerThis large, hex-shaped, 6x6 Whip-It type puzzle is about 120 mm tall.
Combo CubeA combination of Peters Black Hole and the Rubiks Cube.
Crash Dummies CanA puzzle can obviously produced as advertisement for a car safety campaign.
CrossteaserRotate color wheels into the open space to move
Crystal Puzzle SixA custom modification of "Crystal Million Puzzle" with six layers instead of four.
CybedronA sticker variant of the cubedron. It uses only two colors but is equally difficult.