When Pac-Man and Rubik's Cube Were Popular - The New York Times
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3 x 3 Stickerless Neon 80s Mod Puzzle Cube - Cool Fidget Toy Engineered for Fun & Speed Solving - Game & Desk Gadget for Adults and Families - Party Favor, Stocking
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The History of Rubik's Cube and Inventor Erno Rubik