Sensory : music, lighting and key piano with lights on feet to let the child enjoy music by pressing it with feet and let the feet get strong. Time gym is 100% safe and non- toxic for your child and is suitable for birth to 24 months old baby .fun hanging toys to boost development: includes colorful rattles and teethers that enhance motor skills and visual tracking-exactly what you’d expect in a baby play gym hanging toys experience.comfortable & safe baby play gym mat: the cushioned mat is made with skin-friendly fabric and provides ample space for tummy time, rolling, and sitting-making it a perfect baby play gym mat.encourages listening and coordination skills: the baby play gym mat activity center for baby helps babies exercise their listening skills as they interact with the different sounds and music.reassured materials - the mat is made from safe and skin-friendly material. Strictly selected double-sided, breathable, and wear-resistant peach skin velvet, with a crisp non-woven and non-plastic fabric in the middle, which is not easy to wrinkle.