outsunny stepping stones kids with anti slip mat 12 pcs balance stepping stones obstacle course indoor outdoor play equipment toys for ages 3 8 years coordination game for kidsEncourage children to explore bravely and exercise their balance ability, starting with the zonekiz balance stones! The 12 piece set includes 6 large and 6 small river crossing stones. The surface is covered with turtle shell texture and equipped with anti slip pads to prevent children from slipping. Lightweight, portable and quick to assemble, it can be used in different places, indoors and outdoors, allowing children to quickly build their amusement