22 Gauge Stranded Single Conductor Wire - 100' 30m -- Red

Automatic Reversing Unit -- With Optical Sensors & Push Button SPST Switches

Micro Miniature Lamps - 16V 30mA 2.4mm Diameter - Clear -- pkg(20)

8-Ohm Speakers -- 7/8" 22.2mm Round x 5/16" 7.9mm High (Fits HO, O, G & 1 Scales)