Thomas and his loyal passenger coaches Annie and Clarabel are carrying a number of very important passengers, and you're invited in join in their travel fun! This HO scale electric train set is the perfect way to begin your Thomas and Friendsamp174 collection. Includes Thomas the Tank Engine with moving eyes Annie coach with international style hook and loop couplers. Clarabel coach with international style hook and loop couplers 36 Circle of snap fit E Z Trackamp174 w 11 pcs of curved track amp 1 curved plug in terminal rerailer E Z Track System assembles in minutes with no tools Power pack amp speed controller Illustrate instruction manual Please review all warnings and safety instructions printed on product prior to giving to any child Ages 8 The system uses the E Z Track System and is compatible with all HO electric trains. However, Thomas electric trains use a unique coupling system. NOTE This product is NOT compatible with the Thomas Take Along or Wooden Railway System.