Creatto is a simple yet versatile building system that consists of just two primary components that can be woven together into countless 3D creations. The flexible yet durable plastic tiles interlock quickly and easily for all skill levels; no additional materials or hardware required! With this Creatto kit, you get 138 Creatto pieces, a full color instruction manual, and a string of 80 LED lights to build a dragon, pterosaur, bird, or dragonfly. The lights are powered by USB cable; USB power adapter not included. Suitable for ages 8 and up.