Knot your noodle! Construct caboodles of 2-D and 3-D puzzles with this brain-twisting solitaire game. Pick a puzzle from the book, set up the challenge, and then place the remaining pieces to solve the puzzle. Hundreds of possible combinations, but only one completes the puzzle! Challenges spatial reasoning and enhances critical thinking skills. Includes 12 puzzle pieces and a 44-page, illustrated book with 200 challenges. All pieces store inside the portable, pocket-size case for easy cleanup and play anywhere. Single player, for ages 7 and up.