Practice your rock climbing skills with these Creative Cedar Designs rocks. Compatible with most rock wall models and backyard play sets, these plastic rocks feature heavy-duty mounting hardware for safety and longevity.Features:Attaches to a variety of rock wall designsCompatibility with most backyard play setsDurable plastic construction ensures longevityInjection-molded rock holds, heavy-duty mounting hardwareDesigned for use with most plastic climbing wallsIntended for children 3-10 years of age.Easy installation, safe construction and fade-proof materialMulti-Color assortmentIncludes (4) plastic climbing rocks Includes necessary mounting hardwareEasy-to-install bolt-through application takes minutes to completeType: Swing Set HardwareAssembly: Assembled8 inches x 9 inches x 3 inches.