Kato 24-844 N Scale Automatic Three-Color Signal Power Supply [1 pc] HO Scale and having a dedicated pack

and having a dedicated pack on hand keeps you from having to substitute a similar-but-not-quite-right screw during a rebuild

8 Module 25 Tooth Brushless Motor

USB programming capability via Castle Link USB adapter (not included)

The Losi LOSA99033 is an aluminum servo arm built for Hitec servos on the 8IGHT 3

Kato 24-844 N Scale Automatic Three-Color Signal Power Supply [1 pc] HO Scale and having a dedicated packKato 24 844 N Scale Automatic Three Color Signal Power Supply [1 pc] Power your Kato automatic three color signals with this dedicated signal power supply. It provides the electrical feed the signal system needs to cycle its aspects automatically as trains pass, using Kato's standard plug in connectors for a clean, solder free hookup. A core component for adding working signals to any Kato Unitrack layout, and expandable with Kato's signal extension