coaster wagon(n = noun.artifact) wagon - a child's four-wheeled toy cart sometimes used for coasting;
is a kind of wheeled vehicle

beach wagon, chuck wagon, coaster, coaster brake, conestoga wagon, covered wagon, funny wagon, ice wagon, milk wagon, on the wagon, paddy wagon, patrol wagon, police wagon, prairie wagon, roller coaster, station wagon, tea wagon, wagon, wagon tire, wagon train, wagon wheel, water wagon, welcome wagon