








🧩 Unlock your inner Einstein — one piece, endless brilliance!
The Lock Puzzle is a compact, single-piece mechanical brain teaser inspired by Albert Einstein’s legacy. Crafted from eco-friendly wood, it challenges your logic and problem-solving skills without batteries or distractions. Ideal for solo play, this lightweight puzzle fits seamlessly into a professional’s on-the-go routine, offering a quick yet profound mental workout.
| Model Number | Einstein's |
| Number of Game Players | 1点。 |
| Number of Pieces | 1 |
| Batteries Required? | No |
| Batteries Included | No |
| Material Type(s) | 木材 |
| Target Gender | Unisex |
| Manufacturer recommended age | 0 - 8 years |
| Release date | March 31, 2020 |
| Language | English |
| Item model number | Einstein's |
| Product Dimensions | 4 x 15 x 14.6 cm; 63.5 g |
| ASIN | B07DV5M3M9 |
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