Circuitron 5400 AR-1 Automatic Reversing Circuit RECSES_2026-2-6_CUR_852 Add up to four Just

Add up to four Just Plug LED lights of your choice to a project quickly and easily

3 cm / 17-13/16"

The Power Pack SX can also be upgraded with optional alternative power supplies for modelers looking to expand their train operations and run bigger and larger trains in either HO or N scale

authentic "extras" like the rooftop water tank

For cars 42168

Circuitron 5400 AR-1 Automatic Reversing Circuit RECSES_2026-2-6_CUR_852 Add up to four JustChanges direction when the Opto Sensor is covered. Use for test track, window display, mine train or automatic reverse loop operation. Pushbuttons can be connected for manual reversing. Requires 12V DC power source. Constructed on 2 x 3" printed circuit board.