6.5 cm x 6.5 cm x 6.5 cm / 2.6 in x 2.6 in x 2.6 in
The Lattice Cube is co-designed by Katsuhiko Okamoto & Grégoire Pfennig. Originally designed by Okamoto san, and drawings by Grégoire. The challenge is to scramble the cube and then restore each of the faces to their original colours. The cube turns smooth, and is fun to play with.