One brain-twisting game with 40 challenges</br>Folding puzzle flips folds and stacks for endless fiddling fun</br>4 challenge levels range from beginner to expert</br>Great for puzzlers ages 8 to adults</br>Includes: 1 Folding Hexagon Puzzle?? 1 Booklet with 40 Challenges from Beginner to Expert</br></br>Product Description</br></br>Thinkfun UnHinged Puzzle</br><br/>http://www.amazon.com/gp/product/B0071LXX32