Giant Polydron construction sets help children to understand spatial awareness from an early age, while having great fun. Giant Polydron encourages children to make and recognize 2 and 3 dimensional shapes and will help to develop an awareness of shape and texture. It's heavily textured on one side to help users recognize different shapes and forms and the inner areas of the triangles and squares are marked with Braille to encourage learning of alternative forms of communication. Children will love working together, discovering different shapes to make such as a rocket, star or boat. With large easy to attach shapes which are designed for little hands, this product is a must for all early years and special needs environments. Preschoolers can build 3D structures almost as tall as they are, when they use the Popular Playthings Giant Polydron construction set. STEM Supporting. Open ended play with suggested projects included. Recommended for ages 3-6 years. Includes 40 oversized multi-colored interlocking pieces.