Houten geruite kubus puzzel - 25 stukjes - 11 cm
The chekered cube puzzle looks deceptively easy, but is surprisingly hard to crack. It is definitely one of the most amazing brain teaser 3D cubes. Once you unravel the cube, you will discover how complicated it is to get the cube back into its original shape. You can assemble this one over and over again and it will still be hard to remember the solution.