How to use: First, make sure you have 2 AAA batteries installed in the engine. Then, place the engine on a compatible Thomas & Friends track (not wood). Flip the switch on top of the engine, and the train will start moving. You can connect the engine to other Thomas & Friends trains, vehicles, cargo cars or tenders using the plastic connectors. Note: Each character, track set, and additional vehicle or play piece is sold separately. Availability may vary. Maintenance: Keep the toy clean by wiping it with a dry cloth. Store it in a dry place when not in use. Do not expose the toy to water or extreme temperatures.