Hashmag is ideal for developing fine motor skills and exploring the construction of 2D nets and 3D models. The unique shapes come in 6 stunning translucent colours with a colour coding system to help develop an understanding of polarity. It is compatible with Magnetic Polydron. Designed for individual or small group use, this 24 Piece Class Set contains 36 triangles and 36 squares. Building guide included for inspiration.