Polyester/Plastic Plays Brahms Lullaby, Twinkle-Twinkle Little Star and Rock-A-Bye-Baby and automatically shuts off after 20 minutes to preserve battery life Provides great visual and auditory stimulation for babies Volume control and on/off switch provide ease of use Soft, plush farm animals include a cow, rooster, sheep, and horse Promotes brain development and helps baby self soothe to sleep A gray faux shearling sheep, white rooster, taupe horse, and black and white cow rotate around a wooden ring on this unique musical mobile. The music box is decorated with two modern style trees and the scrunchie, which covers the arm, is a light taupe velour. The musical mobile plays lullabies for 20 minutes, has an on/off switch and volume control. It plays Brahms Lullaby, Twinkle-Twinkle Little Star, and Rock-A-Bye-Baby. Requires 3 AAA batteries not included.