The Einstone Puzzle | Einstein Tile Packing Challenge gift for stylist The 1/4 inch thick pieces

The 1/4 inch thick pieces are precision laser-cut and set unsolved into a floorboard base

The Shutter Puzzle is a beautifully handcrafted wooden brain teaser designed to challenge young minds while promoting STEM learning

Designer of this puzzle Jean Claude Constantin from France

Quality Materials: Gears turn on alloy steel pins for smooth operation

Every box is cut

The Einstone Puzzle | Einstein Tile Packing Challenge gift for stylist The 1/4 inch thick piecesEinstone 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,