All Terrain Self Propelled Wheelchair This Wheelchair can be used on any outdoor terrain, including cobbles, mud, and gravel. It can also be used on snow or grass. This kind of wheelchair can also be used indoors. The self-propelled nature of this chair permits users to set their own speed, https://www.mymobilityscooters.uk/products/mobiclinic-teatro-lightweight-folding-children-s-wheelchair-red