Christopher Monckton's Eternity Puzzle Rules, the solution by Alex Selby and Oliver Riordan, other resources and links. The puzzle is made up of 209 pieces of polydrafters, each one is a combination of 12-30/60/90 triangles. http://mathpuzzle.com/eternity.html Mathpuzzle.com~Site InfoWhoisTrace RouteRBL Check
Pentomino Homepage Lorente Philippe's site describes the building blocks, nomenclature, solutions, and numerous games. (French/English) http://membres.lycos.fr/pentomino/index.html Lycos.fr~Site InfoWhoisTrace RouteRBL Check
Pento-Mania Pentomino based puzzle game lets children solve and create geometric puzzles. Win32 software, try or buy. http://www.virtu-software.com/PentoMania/ Virtu-software.com~Site InfoWhoisTrace RouteRBL Check