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National Shield
This is our original copyrighted design and made in our
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Originated in 14th-century England
Grades 5 to 10 (ages 11+): Numbers 1-48 using all 4 math operations with complex equations
Safecracker 40 | Wooden Math Logic Puzzle magic party National ShieldSafecracker 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,
