Trekking across mountains or scurrying up trees requires some expert maneuvers. Add realism to your child's imagination with the addition of these KidKraft Climbing Rocks Set of 6 on your play set. These colorful play rocks can transform the set into a climbing adventure that encourages further play and exercise. Molded from high-grade resilient plastic, the climbing rocks are specifically designed with little hands and feet in mind. Since they contain all the necessary hardware to attach to your play structure, they're easy to add or replace, when needed.