4 x 1K ohm resistors. 2 x Bright White LEDs.
Train-Tech LED5 LED Pack Welding Effect (2 Extra Sets)
Train Tech LED Pack - 3mm Red (6) N/HO/OO Gauge TTLED14
Train Tech LED Pack - Fire Effect (2 Extra Sets) N/HO/OO Gauge TTLED4
Train Tech LED Pack - 3mm Red/White Bi Colour (3) N/HO/OO Gauge TTLED19
Train Tech LED Pack - Level Crossing (3 Extra Sets) N/HO/OO Gauge TTLED1
Train Tech LED Pack - 3mm White (6) N/HO/OO Gauge TTLED16
