Since its founding ten years ago, The Grail has produced and marketed The Sword in the Stone manipulation puzzle, which was invented and patented by Grail founder Jim Hand (a.k.a. "Himself"). The Sword, featured in the best puzzle catalogs, has confounded thousands upon thousands of the world's best puzzlers. The great popularity of the Sword has allowed The Grail to begin expanding our product line to provide you with more of the best puzzles and games.