40 Piece Wooden Brain Teaser Puzzle, Solve by Fitting All Pieces Into Frame or Use Creativity to Design Artwork, Montessori Tangram Educational Toy triangular wave

triangular wave

It is made of beautiful

14 different lengths

test buttons and LED indicators to carry out educational experiments such as the enclosed programming examples

they are also ideal for storing chemistry and laboratory chemicals

40 Piece Wooden Brain Teaser Puzzle, Solve by Fitting All Pieces Into Frame or Use Creativity to Design Artwork, Montessori Tangram Educational Toy triangular waveThis 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