Enables smaller groups of children to explore the three main shapes - triangles, squares and pentagons 280 piece set contains 80 squares, 160 equilateral triangles and 40 pentagons in 4 colours and a guide. Pieces are lightweight and easy to connect. See inside of the shape, and explore the space within. Polydron Frameworks is ideal for investigating and understanding shapes, angles, edges, vertices, planes and tangents. Polydron Frameworks is also great for building larger shapes and models. Fully compatible with the Original Polydron range. Product Code 10-3005F Range Original Polydron Frameworks Age 6 years + Contents 160 Equilateral Triangles, 80 Squares, 40 Pentagons and Exploring Frameworks activity booklet Weight (kg) 1.3 L x W x H (cm) 50 x 24 x 11 Barcode (EAN-13) 5060164531159 Cleaning Method Dishwasher Safe - 70 degrees Celsius / 158 degrees Fahrenheit Piece Count 280