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The Bepuzzled Adult Cylinder Hanayama Cast Metal Brain Teaser is a level 4 difficulty mechanical puzzle crafted from durable cast metal. Measuring just under 5 inches, it challenges users to separate and reassemble a knurled cylinder with no clues, promoting creative thinking, memory, and problem-solving skills. Designed by Vesa Timonen and manufactured by Hanayama in Japan, it’s a portable, high-quality brain teaser perfect for professionals seeking a sophisticated mental workout.






| Educational Objective(s) | Color Recognition, Creative Thinking, Memory Skill |
| Model Number | 30811 |
| Number of Puzzle Pieces | 1 |
| Assembly Required | No |
| Batteries Required | No |
| Batteries Included | No |
| Material Type(s) | Metal |
| Product Dimensions | 11.93 x 7.62 x 0.1 cm; 130 g |
| Item model number | 30811 |
| Manufacturer | Hanayama Puzzles of Japan |
| Item Weight | 130 g |
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