These new tracks for Hot Wheels cars can be mounted on the wall using sticky mounting strips by 3M Co. that won't damage walls or wall paper. Kids can bring their tracks to new levels of fun with Hot Wheels Wall Tracks. Compatible with all standard Hot Wheels cars, these innovative tracks are mounted to the wall using sticky mounting strips from 3M Co., that can safely be removed from walls without leaving residue or stripping the paint. Wall tracks can also go up doors, accross corners, and can be connected with standard Hot Wheels tracks too.