Ken KenA 3x3x3 stickered with a japanese number riddle.
Keroppi Key ChainThis key chain puzzle features the popular Sanrio character Keroppi.
Kevin's TetrahedronA 3x3x3 transformed into a tetrahedrons shape. Built with "cut and paste" method.
Key 3x3x3A mass produced 3x3x3 reduced to a compact size and with a customly attached keyring.
Key+Lock CubeA puzzle consisting of two cubes and with two solutions. Two 3x3x3's with some pieces glued on one face.
Keyboard 3x3x3 CubeA standard 3x3x3 with keyboard keys attached. It is available in different colours. A bandaged version also exists.
King PuzzlerAn octagonal prism in a package labeling it as "King Puzzler"
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