Pay in 4 interest-free payments of $9.94 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Nov 3 - Nov 8
Pay in 4 interest-free payments of $9.94 Learn more
Ships within 48 hours · Estimated delivery Nov 3 - Nov 8
but may be varied
and "K" for acknowledgments
3 pieces are arranged next to each other
The Decision Maker Game is a fun executive toy that takes the stress out of making decisions
The Einstone Puzzle | Einstein Tile Packing Challenge custom name gift but may be variedEinstone Puzzle Einstein Tile Packing Challenge The Einstone Puzzle is inspired by one of the most fascinating recent discoveries in geometry: the Einstein tile. Despite the name, it has nothing to do with Albert Einstein himself. In mathematics, the word einstein comes from the German phrase "ein stein," meaning "one stone." It refers to a single tile shape that can cover a plane indefinitely without forming a repeating pattern. For decades,