NatureROCKS Sandstone Playground Climbing Boulders bring active play and fun to any outdoor space. The small climbing Climbing Boulders are artfully designed from real rock outcroppings and hand painted to look and feel like sandstone. The Playground Climbing Boulders adds beauty and function to the playground or landscape and offer authentic climbing experiences. They appeal to all ages and help develop balance, strength and coordination. In addition, small climbing Climbing Boulders spark the imagination and invite creative play. Consider adding large and medium Playground Climbing Boulders to create an arch to add even more rock climbing and active play opportunities. Or combine several small climbing Climbing Boulders. Each playground Climbing Boulder is constructed of durable, weatherproof glass fiber reinforced concrete (GFRC).