Amazon.com: Rubik’s Crystal, New Transparent 3x3 Cube Classic Color-Matching Problem-Solving Brain Teaser Puzzle Game Toy, for Kids and Adults Aged 8 and Up : Video Games
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Amazon.com: Rubik's Impossible, The Original 3x3 Cube Advanced Difficulty Classic Color-Matching Problem-Solving Puzzle Game Toy, for Adults & Kids Ages 8 and up : Toys & Games