The Baby Einstein Take Along Tunes inspires a lifelong love of music with hours of entertainment; volume control is music to mom and dad's ears Teaches babies about music and cause and effect as they push the large button to hear 10 classical masterpieces from Chopin to Mozart and more Colorful lights dance to the melody to captivate your baby and encourage both auditory and visual development 2 AA batteries are included for demo, use new batteries for regular use; ships in fully enclosed packaging; wipe clean; a favorite for travel - drop in diaper bag and go; 5.0"H x 4.8"W x 1.1"L Includes expert-developed Einstein Way Play Tips to inspire curiosity and foster purposeful parent-baby playtime. Award-Winning Bestseller Large button toggles through 7 high quality classical melodies Colorful lights dance across the screen to each song Caterpillar bead chaser handle is easy for little hands to hold and take anywhere Great for On-the-Go Easy Grasp