EASY TO USE - All you need to do is insert 3 AA batteries in the battery compartment on the back of the mat, and you're ready to create some music. Press or step on the white keys to play individual notes, or the musical instruments to hear songs made by a particular instrument.FUN AND EDUCATIONAL - This mat is fun and educational at the same time. More than one child can use it at a time, as they learn about music and notes. You can activate the music with a hand or a foot, helping children develop coordination and improve motor skills.INSPIRES CREATIVITY - Learning about music helps instill in children a way to express themselves. With this musical keyboard mat, kids can make their own music in a fun and creative way, all while being active as they step on the different keys, helping them learn tempo and rhythm.PRODUCT DETAILS - Each mat is made of colorful heavy duty vinyl material and measures 43" long x 14.25" wide and requires 3 AA batteries to operate (batteries not included). Mat contains 10 white keys in ascending musical tones, 8 musical instruments sounds including piano, violin, accordion, trumpet, xylophone, clarinet, guitar and flute, adjustable volume, on/off button and ability to record your own musical notes and play them back. Recommended for Children 3 and up.