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Curvy Copter Plus Black - Meffert's Rotation Brain Teaser Puzzle
SKEWB Ultimate Twisty Puzzle by Mefferts- Brain Teasers, Speed Cube, One-Player Game
SKEWB XTREME by Mefferts- Speed Cube, One-player games, Twisty Puzzle, Brain Teasers
WitEden Wormhole III (difficulty 9 of 10)
Diansheng 3x3 Ancient Double Fish Cube Black by Oikawa
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Armadillo Cube: Smooth Turning - Stickerless - 12 Candy Colors - Resettable - Awesome Brain Teaser - Advanced 3x3x3 Puzzle Challenges - 100%!