Marx 1954 Strato liner Skycruiser: 13-½ inches long 18-inch wingspread with a friction motor. The friction motor propels the airplane forward as well as it spins the four grey plastic propellers. The tail section on the plane are made from two plastic pieces, the vertical and horizontal wings and they have been formed together. Unique to this newer plane is the addition of the two rear wheels that that help stabilize the plane when its being pushed on the floor. There is a two motor version of the Strato Liner Skycruiser, but I believe these were the final planes made in this body style.