Height Measurement: This baby play gym mat designed for 0-3 years old babies, our play mat differentiate from others, our mats have height measurement marks on the surface, you can observe your baby's growth every day without instruments. Our piano gym can exercise, play, record growth, early education, is the best gift for girl/boy toddlers..Multi-mode Baby Play Mat: Lying, sitting, prostrate time, kick, the piano and music feature, the variety of activities and toys on the arch, the design, color and aesthetics of the play mat, attracts the baby to touch, and stimulates the baby's curiosity..6 In 1 Ways: The play mat with 4 Removable sensory toys and 1 self-discovery mirror, 4 animals hanging rattle toys could train baby's reaction and recognition ability, guide baby to do much exersize too improve he/her sleep quality, such as lying, crawling, and sitting. 1 discovery mirror cultivate baby's self-awareness. Piano keyboards touching for graphics, listening..100% Safe Materials: This item baby paino play mat passed the environmental friendly material with CPC and ASTM testing report, moreover, it uses battery and doesn't need to be rechared, which ensure your baby's Safety and Healthy. Thickened mat to be appreciate the ease of cleaning and maintenance, and to be durable and long-lasting..Install, Carry & Wash: Our baby play mat can be easily installed and disassembled without any tools. Its light weight 0.35lb easy to assemble and transport, you can remove it to anywhere, suitable for indoor/outdoor use.