Inspired from the happiness of jumping over the stones by the river, the product offers fun activities with the colorful components. Enhance motor skills and balance coordination through playing. Inspired from the happiness of jumping over the stones by the river, the product offers fun activities with the colorful components. Simple components allow various free-style route designs. Each size of stone has different slopes. Stacking one over the over to create different challenges for users with different needs. Dot, line and concentric circle patterns on the stone surface bring different tactile sensory. Anti-slip surface and bottom edge offer best stability and safety. Easy storage with a hand-carry bag. Components: large, medium and small (2 pcs / each size); total 6 pcs in a hand-carry bag Maximum height: 29 cm Ages 2 and up.