FOXMIND GAMES: BY THE BOOK - A Novel Stacking Puzzle - Put together a perfectly balanced bookshelf for our furry friend using a good dose of reasoning and sharp visual perception. 40 gradually progressing challenges using up to 12 different books will keep you on your toes. Challange yourself and play solo or get soem help from a friend.How to play: 1) Pick a puzzle card. 2) Place the pieces with the clues on the card. 3) Flip the card over to see the solution.Overview: Logical Thinking, Math, Observation, Dexterity. Ages 8+. 1+ Players, 10 Minute Playing Time. 40 Puzzles. DEVELOPS DEXTERITY, OBSERVATION AND LOGIC: Players use their logic to align the books following the challenge instructions. PROGRESSIVE CHALLENGES: Play trough all 40 challenges and solve 4 level of difficulty. WOODEN PIECES: Made of chunky wood pieces that are easy to manipulate and develop dexterity at any age! Includes a cute leveler to keep every piece in balance. PLAY SOLO OR WITH A FRIEND: Share the challenge with a friend or play as a solo brainteaser.ANOTHER LOGIC PUZZLE GAME BY FOXMIND: Develop your logic skills even more with our Brainbuilder series that offer more logic puzzles to solve.