Tested and confirmed working. Doctor Yellow does not move. Junk item. The lead car has had its battery base replaced. Some items require a specific battery position. Some may not work due to battery life, so please try various things if they don't move. Batteries are not included. Also listed on other sites, so don't miss out! Discounts available for multiple purchases! Sonic 883 Asahiyama Zoo Train Tozai Line Tsubasa Doctor Yellow Kyushu Shinkansen N700 Mizuho/Sakura N700 Nozomi One item is unknown