40 Piece Wooden Brain Teaser Puzzle, Solve by Fitting All Pieces Into Frame or Use Creativity to Design Artwork, Montessori Tangram Educational ToyThis unique wooden puzzle features 40 pieces that can be arranged to fit perfectly inside the frame. You can also let your imagination run free and arrange the pieces to form shapes or designs inside or outside the frame! Replayable each time you attempt the puzzle it can be solved a different way. The number of designs that you can create is almost endless! An instruction sheet is included that has solutions to the puzzle along with some design ideas