1x2x3 (round)This wonderful custom built puzzle was created from scratch.
3x3x3 in a boxA 3x3x3 with two solutions. The second one allow it to be put into a wooden box.
Escher CuboctahedronCuboctahedron featuring original artwork by M.C.Escher, shows a total of 24 fish.
Extended CubeA 3x3x3 with 54 cubies glued upon each face. Looks identical to the Cross Cube which allows additional funcationality but was invented way later.
Extended Octagonal 3x3x5An extended version of the octagonal prims. This is just a shape variant, not a fully functional puzzle.
Icosahedron 3x3x3Anthony Greenhill's amazing build-up of a standard 3x3x3 into an icosahedron.
Lights Out 2000The updated version. The lights have three states instead of two.