The calming effect of this dark safe space strengthens the sensory benefits of balance and vestibular stimulation. Therapists, parents and teachers can use swings effectively to reinforce any therapy objectives for children and provide sensory diets for special needs children. As most people find gentle rocking soothing, hammocks have the potential to gentle comfort and relax anyone. In addition, swings can act as a strong motivator. Features Product Content: 1 x Hammock 260 Balls Material:Fabric & Plastic Height:170 cm Diameter:70 cm Age Range:Suitable for 3 to 17 years