The colourful wooden triangles work like mosaic pieces! Children can create endless beautiful patterns. Open-ended play puzzle to encourage creativity! Little ones and even adults can explore geometric forms while building with this triangles. There are countless shapes which they can make, get creative and have fun. Made from eco-friendly materials Painted with with bright non toxic paint. Comes in a sturdy board box with magnetic clasp Size - 18.5 cm and comes with 73 pcs The Octagon Mosiac Kids Puzzle is a great activity for hand eye coordination, fine motor and problem solving skills.