- Challenge for Math Lovers: Align each of the four puzzle wheels so that all 16 columns equal 40
- Ideal for Teenagers: The Safecracker 40 is an ideal mid-level difficulty puzzle for ages 12 and up
- Laser Engraved Numbers: Numbers are laser engraved, ensuring they will never wear off and no ink to smudge
- Handmade in the USA: Every Safecracker 40 is cut on our laser machines and assembled by hand in our shop in Hudson, FL
- Quality Construction: Made from alder and maple. Base wheel measures 4.4"
- Package Dimensions : 5.24 x 4.29 x 0.91 inches; 1.76 ounces
- Manufacturer recommended age : 12 years and up
- Date First Available : June 15, 2020