Rubik's® Cube Keyring: A fully functional Rubik's® Cube on your keychain.
Amazon.com: RUBIK'S Cube 3 x 3 Key Ring – Colourful Puzzle Game Rubik's – Mini Puzzle 3x3 Orginial Colour Matching – Classic Cube Problem Solving – Mini Version – 6064001 – Children's Toy 8 Years and Above : Toys & Games