Having trouble cleaning your tracks to keep the trains running smoothly? Now make it easier with these great looking track cleaning cars. Its hefty die-cast metal frame and rotating cleaning sponges will keep your track clean so all your trains will run at peak performance for years. You can attach it to the end of your train set, flip the switch on and let it go. The first sponge scrubs the track with cleaning fluid while the second dry sponge soaks up the excess fluid.