Engine

are NaN Items in.

Location and Uses
The ST: provide motive power to the ST:. It is located at the front of the train. ST: obtains the ST: (along with the ST:) when ST: bestows upon him the ST: at the ST:. As with other NaN Train Cars, ST: can trade ST: for new NaN Engines at ST:'s ST:.

Trivia

 * All variants of the ST: are named after their ST:. The ST: is named after the ST:, the ST: after the ST:, and so on.
 * Each ST: produces a different sound from the ST:. The ST:'s ST:, which resembles an electric guitar, can be played at various pitches by pulling the rope by different amounts.