Piano floor mat brings lots of fun for kids: 5 selection modes Musical piano mat is made of soft non-woven fabric, tasteless and non-toxic. High-quality fabrics do not hurt kids' feet and it is easy to clean. This electronic music carpet is sensitive to touch, it can be automatically recognized even children not touch accurate target. Bright colors can stimulate your baby's visual development. This portable piano mat with bright colors and pattern can not only train children's hearing development, but also visual development.