Description: Product material: PE/ABS plastic and electronic components Product size: 110*36m Applicable age: 1 year old + Packing size: 30.5*7*21m Battery: 3*AA battery (not provided) Specifications: Sensitive touch, strong interaction, touch sensing, different from physical buttons Playing with lights is more interesting, and lights in the music box will flicker when the keys are played. Parent-child interaction is fun, and dance with your baby during leisure time to increase intimacy Strictly selected materials are safe and tasteless, and the carpet surface is made of PE material, which makes cleaning more worry-free, and can be wiped with a damp cloth Waterproof paper is more resistant to tearing, high-definition sound quality, volume adjustable, rounded edges without burrs Package Included: 1*Crawling mat By the way, if you like our store, Please add our store to yourFavorite Stores, You can get our New arrival and Discount information in time.