Develop your Chuggington Interactive train set with the Chuggington Interactive Chug Wash . The Chug Wash is the place where all the engines can keep themselves clean. When added to your Chuggington Interactive train track the Chug Wash will be immediately recognised by engines and other training stops as soon as it is introduced. With realistic lights and sounds , the Chug Wash features up to 30 phrases when used in conjunction with other Interactive Products (sold separately). When this, and other sets, are added to the track all engines will interact with the stop. The Chuggington Interactive Chug Wash is an excellent addition to the Chuggington Interactive train sets.