Improves balance: These sensory stepping stones are great for developing mobility and coordination, whilst encouraging physical activity and fun. Ideal for ages 3-8 years.Indoor & outdoor activities: There are 11 stepping stones in this set, including 4 small, 4 medium, 2 large and 1 bouncing stepping stone, creating lots of activities for children both in the living room and in the garden, such as an obstacle course.Safe to use: These balance stepping stones have a textured surface, whilst the bottom is made of rubber to prevent slipping over. Made with strong material, it can hold up to 80kg.Safe to use: Each stepping stone features a textured surface on the top and starfish-shaped ones with rubber footings to prevent slipping. Made from strong material, can withstand children up to 80kg.Dimensions: Small: 4H x 23L x 23Wcm. Medium: 7.5H x 33L x 33Wcm. Large: 16H x 36.5L x 36.5Wcm. Bouncing: 8.5H x 31L x 31Wcm. Easy assembly required.