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Genius Deck Riddles and Conundrums (Genius Decks)
Genius Deck Riddles and Conundrums - Genius Decks Author:Chronicle Books Stimulate your mind with this portable box of mind benders, created by puzzle experts. With visual conundrums, grid problems, number puzzles, lateral thinking puzzles, and more ranging from basic to difficult--these riddles are sure to challenge your intellect and exercise your brain.