Set of 18 primary-colored river stones for active play, balance, and coordination. Lightweight stepping stones in four graduated heights allow for kids to lead their own stepping adventure and choose more challenging routes when they're ready. Pieces are made of tough, molded plastic with non-slip strips for added safety and stability. For children ages 3 years and older. STEP AND BALANCE FUN: Set of 18 colorful stepping stones in four graduated heights are perfect for kids to practice balance, coordination, and gross motor skills; CREATIVE ACTIVE PLAY: Lightweight stones make it simple for kids to create their own stepping path adventures, from low to high and everything in between; SAFE AND DURABLE: Each steppingstone is made of heavy-duty plastic with a non-slip rubber strip around the entire bottom perimeter to reinforce stability and safety ; BRIGHT COLORS AND GRADUATED HEIGHTS: Set includes Six 2 inch high blue stones, six 3.25 inch high green stones, four 6.25 inch high yellow stones, and two 8 inch high orange stones. Each stone has multiple tiers that resemble a mountain and a cute paw print design molded on top; COMPACT STORAGE: Stones neatly nest for convenient, stackable storage. Easily wipe clean after use; active play gross motor gross motor play motor skills balance coordination step stepping stepping stones set stepping stone for kids stepping path pathway track stepping track balance builder nestable compact lightweight light river stones river stones pretend play imaginative play imagination creative non-slip colorful bright obstacle development developmental toys tier tiered mountain paw paw print animal print active play gross motor gross motor play motor skills balance coordination step stepping stepping stones set stepping stone for kids stepping path pathway track stepping track balance builder nestable compact lightweight light river stones river stones pretend play ima