In this original 3D puzzle you stack up to 12 differently shaped books - and one clever cat - so that the upper shelf lies perfectly even across the top. Use the special included level to make sure everything is aligned. Master all 40 challenges and you're on a level above the rest! Includes 40 challenge cards; 12 wooden books; 2 wooden shelves; cat figurine; balance level and rules of play. For 1 player, age 8 years and above. Box measures 9.5" x 7" x 2.25".
Fiber Content: Wood, cardboard, plastic (View Fabric Guide)