Masudaya - Chuggington Koko & Brewster Station Stop & Go SetCoco & Brewster Stop & Go! from the Panel World series, where panels are connected to create tracks for trains to run on, is now available featuring Chuggington. The trains move humorously and energetically along the rails created by combining the panels. They repeatedly stop and go at the stations as they travel around. Power SupplyUses 2 AAA alkaline batteries (sold separately). Batteries are installed in the vehicles; each vehicle uses 1 battery.