Smart Games: Castle Logix - 3D Wooden Puzzle Game - 3 - 8yrsConstruct castles, block by block and tower by tower, flexing your logic muscles with this beautifully crafted 3 D wooden puzzle. Assemble the wooden blocks and towers to match the challenge you have selected in the included booklet. With simple challenges for inexperienced builders to complex puzzles that will challenge skilled architects, Castle Logix is a fun way to develop logical thinking skills and spatial reasoning abilities. Fun & Educational