SmartGames Tower Stacks 95764from £14.30 up to £17.43 Compare prices2→Tower StacksPRODUKTBESCHREIBUNGEN Tower Stacks challenges players to build a vertical castle using 9 puzzle pieces. Start from the floor and use planning skills to stack the pieces and solve the 80 i more→ncluded challenges from easy to expert. A classic brain teaser for kings and queens young and old!