Safecracker 50 Wood Puzzle - Difficult Math Brain Teaser for Adults
4.5 (1,234)
Sold 100+ last 30 days
20% off first order
$28.95
Color
Black
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Quantity
1
How It Works
Safecracker 50 is a handcrafted mechanical math puzzle designed for serious problem-solvers. Your objective is to rotate five laser-cut wooden rings until all 16 vertical columns add up to 50 at the same time!
Over 65,000 permu...
Reviews
4.9
14 ratings
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Just what I wanted
Bought this as a gift for an adult son. I put a cash reward for each row he got to 50. It took him days to finish it, but he finally did all 16. So, it was great. He had something to work on, wasn't easy, but he finished it and won a lot of money.
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Dawn · January 9, 2026
Interesting puzzle. Glad it came with solution!
K
Kathryn · June 26, 2024
Unique Gift Idea
This was purchased as a gift for my brother and his wife. Both have their PhD's and I thought they would enjoy this puzzle.