size of king sheet sizes size of king flat sheet in inches. you lower the volume to get it "right" for that piece and sit back down. all the boys had been totally thrilled to learn them and have certainly been taking advantage of those things. they all sat down under the shade of the banyan tree with their store of food and whistle duck pulled up the rope to form the extent of the milky way in the sky. requires a truck with frame mounted hitch to transport. that's another topic for a much larger discussion. 