![ThinkGeek on Twitter: "Today in Geek History: Our favorite puzzle was invented by Erno Rubik in 1974. Happy 40th Birthday, Rubik's Cube! http://t.co/3YlxrwtZNh" / Twitter ThinkGeek on Twitter: "Today in Geek History: Our favorite puzzle was invented by Erno Rubik in 1974. Happy 40th Birthday, Rubik's Cube! http://t.co/3YlxrwtZNh" / Twitter](https://pbs.twimg.com/media/BoAg7p6IQAAfJP-.jpg)
ThinkGeek on Twitter: "Today in Geek History: Our favorite puzzle was invented by Erno Rubik in 1974. Happy 40th Birthday, Rubik's Cube! http://t.co/3YlxrwtZNh" / Twitter
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Shengshou 19x19x19 Magic Cube Puzzle Game Toy Professional 19 High Layers Speed Puzzle Challenge Stickerless 19x19 Cubo Magico - Magic Cubes - AliExpress
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