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! Northern Lights Polar Bear & Winter Pals With 41 Creatto pieces and a string of 20 LED lights, you can build a polar bear, baby seal, snowflake, and funny snowboarding polar bear. Battery-powered lights require 2 AA batteries. Suitable for ages 8 and up.