Features: Tummy time activity center helps strengthen baby's back, legs, arms and neck. Kids water play mat constructed from thicken PVC will not leak air or water. Baby presses the water mat and moves fish around, to promote hand-eye coordination. Tummy time mat is great for sensory stimulation, motor skills, cognitive abilities, and social skills. Simply fill the mat with water and inflate the edge with air, kids can have hours of tactile and visual fun.