








🔐 Unlock brilliance with every twist!
The Einstein Collection Lock Puzzle by Professor Puzzle is a compact, 3D wooden brain teaser featuring a metal key and intricate sliding lock pieces. Designed to develop problem-solving skills, it offers a hands-on, battery-free challenge perfect for solo play and makes a thoughtful gift for puzzle enthusiasts and physicists alike.




| Product Dimensions | 4 x 15 x 14.6 cm; 63.5 g |
| Manufacturer recommended age | 8 months and up |
| Item model number | Einstein's |
| Educational Objective(s) | Problem Solving Skill |
| Language: | English |
| Number of Game Players | 1 |
| Number of pieces | 1 |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries included? | No |
| Material Type(s) | Wood, Metal |
| Colour | Multicolored |
| Release date | 31 Mar. 2020 |
| ASIN | B07DV5M3M9 |
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