This deluxe version of Thomas the Tank Engine brings him to life like never before! Push the button, and hear Thomas' classic peep peep sound. Push him along and hear him chug chug his way along the tracks. Also features working headlight.This highly interactive version of Thomas that is perfect for any Thomas enthusiast. When comparing this version of Thomas to the standard, the only additional area that is plastic is the cab. That means the boiler area and the bottom chassis remain made of real wood!Measures 3.5 long, and requires two button cell batteries, included.