The small sandstone boulder will add natural beauty to your landscape, while maximizing space and offering an authentic, active play experience for all ages. In addition, small climbing boulders spark the imagination and invite creative play while helping to develop balance, strength, and coordination. Consider combining several small climbing boulders together to create a more intricate climbing challenge. The NatureROCKS sandstone boulders are artfully designed from real rock outcroppings and hand painted to look and feel like sandstone. Each playground boulder is constructed of durable, weatherproof glass fiber reinforced concrete (GFRC). All boulders also feature built-in forklift channels to easily facilitate delivery and placement.