3x3x5 PillA proportional 3x3x5 modified into the shape of a pill.
3x3x6The first fully functional 3x3x6. Later mass produced in two versions.
3x3x7The first 3x3x7 cuboid.
3x3x8A 3x3x8, first a handmade puzzle, nine years later mass produced.
3x3x9A fully functional 3x3x9 cuboid.
3x4x4One of the earlier cuboids. Started as one of Tony Fisher's custom puzzle.
3x4x4 Camouflage IIA 2x3x3 with cubies glued on three sides letting it resemble a larger cuboid.