Martin's Menace Large | Stewart Coffin #217 Wood Puzzle puzzle for adults with its dimensions engraved into

with its dimensions engraved into the wood so the markings will not rub off with handling

mahogany and others

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The internal portion of the box has a felt lining on the bottom and there are 2 chambers

Martin's Menace Large | Stewart Coffin #217 Wood Puzzle puzzle for adults with its dimensions engraved intoMartin's Menace Large is a handcrafted 4 piece wooden brain teaser, Stewart Coffin Design #217, originally called "Four Fit." Martin Gardner, the Father of Recreational Math, spent a week trying to solve it and renamed it Martin's Menace after calling it "the finest dissection puzzle of all time." Fit four pieces into the frame. Few solve it without help. The pieces are precision laser cut from durable hardwoods. Handcrafted by Creative Crafthouse