








🔓 Unlock your inner Einstein — the ultimate brain teaser for sharp minds!
The Lock Puzzle by Professor Puzzle is a compact, battery-free sliding lock brain teaser inspired by Albert Einstein’s legacy. Crafted from durable plastic and designed for solo play, it sharpens problem-solving skills through a hands-on challenge that blends creativity with logic. Perfect for professionals seeking a sophisticated mental escape or a unique gift that stands out.
| Educational Objective(s) | Problem Solving Skill |
| Language: | English |
| Model Number | Einstein's |
| Number of Game Players | 1 |
| Number of Puzzle Pieces | 1 |
| Assembly Required | No |
| Batteries Required | No |
| Batteries Included | No |
| Material Type(s) | Plastic |
| Colour | Yellow |
| Product Dimensions | 4 x 15 x 14.6 cm; 63.5 g |
| Item model number | Einstein's |
| Manufacturer | PROFESSOR PUZZLE |
| Country of Origin | USA |
| Item Weight | 63.5 g |
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