Summer Skis For 3 Children* - The Gonge Summer Skis for 3 Children is a great piece of outdoor play equipment made from wood and anti-skid rubber. Gonge Summer Skis for 3 Children look easy to use, but it can be difficult to keep in step. The skis train the basic motoric functions, as the children must coordinate their movements. Made of wood with anti-skid rubber pieces which protects the floor when used indoors.