| Brand | Professor Puzzle |
|---|---|
| Type | Brain Teaser |
| Shape | Irregular |
| Year | 2019 |
| Color | Silver |
| Theme | Strategy |
| MPN | EIN0140US |
| Material | Metal |
| Recommended Age Range | 12-18 years |
| Age Level | 8-11 Years, 12-16 Years, 17 Years & Up |
| Materials sourced from | China |
| UPC | 818192020931 |
Check the listing for details. NEW Einstein's E=mc2 Theory "Metal Puzzles" Brain Teaser 3 Puzzle Set. Color: Silver, Condition: New. Listed at 14.99 USD. A fun and engaging challenge for puzzle lovers of all ages. Perfect for brain teaser fans, STEM enthusiasts, classrooms, or as a unique gift. A fun and educational puzzle set that makes a great gift for thinkers and tinkerers alike.