Message us with any questions. THOMAS & FRIENDST HENRY THE GREEN ENGINE w/Moving Eyes - HO Scale. He is a long and fast engine and has a thoroughbred look. Like all thoroughbreds, he tends to be a little high-strung and a bit of a worrier.Before his shape was changed, Henry had to have special coal brought in so he could run properly. Henry is based on a Stainer 4-6-0 Class 5 engine. Bachmann carefully reproduces your favorite Thomas & FriendsT characters in HO scale. All locomotives feature realistic faces with moving eyes, operating HO scale electric drive mechanisms, highly detailed plastic body shells, all-metal wheels, and international-style hook-and-loop couplers. Build your Thomas & FriendsT collection one friend at a time! Operating HO scale electric locomotive. Featuring detailed character face with moving eyes and realistic body shell. All-metal wheels with factory-installed international-style hook-and-loop couplers. Performs best on 18 radius curves or greater. Runs on Bachmann HO scale E-Z Track®, and is compatible with all popular brands of HO scale track. Product Measurements: Length 9.5 in. Retail Package Measurements: Length 13.4 in.