True Genius Grecian Computer Brainteaser

Rotate the layered wooden dials until all 12 columns simultaneously total 42 in this mathematical challenge inspired by the ancient Antikythera mechanism.

Product specifications:

• Recommended age: 14+
• Difficulty: 5/5
• Puzzle type: Mathematical wooden dial puzzle
• Brand: True Genius by Project Genius

True Genius by Project Genius brings together tactile brainteasers and logic puzzles inspired by remarkable ideas, inventions and cultures from history. Designed for hands-on problem-solving, these screen-free puzzles make engaging gifts for curious minds and puzzle enthusiasts.