Thomas Flashlight also doubles as a siren whistle. When there is danger on the tracks, warn the other trains with the Morse code flash button. Tin Thomas Flashlight features images of Thomas and some of his most helpful friends, ready to assist your little engineer by illuminating any issue. Thomas Flashlight comes with Morse Code decoder book. 7 inch Thomas Flashlight requires 2 C batteries, not included. Recommended for ages 3 and up.