Safecracker 40 | Wooden Math Logic Puzzle functional mayan Originally introduced in 1888 by

Originally introduced in 1888 by McLoughlin Bros of New York

Great Gift Idea: Ideal for puzzle collectors

Hurricane Puzzle Box - City Circuit Board Artwork

and clever planning

only one correct solution exists

Safecracker 40 | Wooden Math Logic Puzzle functional mayan Originally introduced in 1888 bySafecracker 40 is a one piece, handcrafted wooden math and logic brain teaser for teens and adults. Made from maple with a cherry finish, it delivers a repeatable challenge in a pocketable form. Goal: Align the wheels so each of the 16 columns equals 40 at the same time. Size: 4. 4 x 4. 4 x 0. 75 in. Deep laser engraved numbers and text will not fade. Add personalized engraving on the back. Difficulty: Intermediate. Ideal for solo puzzling, travel,