Bolted Closed Brainteaser

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Bolted Closed is a handheld brainteaser made of wood and metal. Your goal is to remove the metal ball that is bolted into position by the bolt and nut. By Jean Claude Constantin. • A great gift for people who love brainteasers and trick puzzles • Brainteaser puzzle measures 3-7/8" x 2-1/4" x 2-1/2" • Solution included. Show more