Disney frozen 2 in 1 skates this set of frozen 2in1 tri to inline skates are ideal for anyone learning how to skate the unique breakthrough design allows for you to change between tri skates with two wheels located at the back and one at the front for stability to the more traditional inline skate design with all three wheels together the skates can be adjusted in size for when your childrens feet grow thanks to the expandingcontracting front section and the fit around the top of the foot