Polyester/Plastic Plays 3 relaxing lullabies which rotating slowly for 20 minutes Provides visual and auditory stimulation for baby Has volume control and on/off switch for ease of use Soothing music and visual tracking of the plush animals promotes brain development Helps baby self soothe and sleep soundly Imagine your little one drifting off to dreamland under a gentle symphony of lullabies captivated by two whimsical foxes and two adorable gray squirrels. The foxes are made out of soft velour and the squirrels are made with gray textured minky. They circle underneath two brown velour tree-like branches. Playing nursery songs for 20 minutes with an on/off switch and volume control. It plays Brahms Lullaby, Twinkle, Twinkle Little Star, and Rock-a-Bye-Baby. The scrunchie which covers the mobile arm is made of a creamy velour. Requires 3 AAA batteries, not included.