Colored pieces of wood attached to small dark pieces of wood by a long piece of leather stapled to the back of the wood. The small center pieces move back and forth independently, making a clacking sound, similar to a clatterpillar. 101/2" L x 3 1/4" W x 1" H ***Warning, small parts. Not suitable for children under 3*** Older kids and adults really love the sound and feel of this very unique world instrument!