Stepping Boulders add an adventure element to any natualized play area. Traveling across these cllilmbing rocks for kids encourages problem solving while developing strength, balance and coordination. Each hand-painted stone resembles real rock. Stepping Boulders are constructed of glass fiber reinforced concrete for durability and longevity. suitable for children ages 5-12. Set of 3 includes one large and two small Stepping Stones. Add climbing rocks for kids and let the adventure begin!