DescriptionImprove Balance and Coordination - Hemispheres can be used to help improve balance, coordination, tone, blood circulation and posture. Regular use of pods is an ideal way for your child to have fun while staying in shape.Multi-purpose - This massage ball is very suitable for stimulating the child's imagination, can be used as a springboard interesting to promote play and exercise. For adults, it is ideal for strengthening exercise, yoga routine, treatment, core strength building, foot pain, etc.Safety and durability - The balance ball is sufficient strong to withstand the use of people of all ages. Made from 260 grams of durable PVC, these balanced pods are safe, durable and flexible enough for kids to exercise in adults.A Variety of Ways to Use - The pod has a tactile bruise hedgehog style, can provide better grip, better balance or playability, smooth bottom to ensure stability. You can use the box dme up or the flat side up to provide different difficulty levels.Options - You can choose from different colors.