NatureROCKS Granite Playground Climbing Boulders add active adventure and fun to any outdoor space. Play Climbing Boulders are artfully designed from real rock outcroppings and hand painted to look and feel like granite. The small play Climbing Boulder adds beauty and function to the playground or landscape. It appeals to all ages helps develop balance, strength and coordination. In addition, play 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 play opportunities. The small play Climbing Boulder is constructed of durable, weatherproof glass fiber reinforced concrete (GFRC).