LED Colours: 1 x Yellow, 1 x Green to view an article on the Train Tech Signal Kits. These kits are quick and easy to build and only require a small amount of soldering. This kit contains the LED Stem, Signal Pole, 3 Different Aspect Covers (2, 3, and 4), the Back Switch Casing and the Ladder It also comes with the suitable resistor for the LEDs. This kit features a illuminated feather that can be controlled using a switch which can be linked to a solder pad on the LED stem. 4-Digit 7-Segment LED Matrix Display FeatherWing [STEMMA QT] : Industries, Unique & fun DIY electronics and kits TTSK3L Signal Kit (LH Feather) 2 Aspect Distant ; £20.48 ; FREE delivery 27 - 28 February. Details ; Quantity Signal Details: 2 Aspect Distant Signal, Pre-Assembled LED Stem, Controlled Feather, Includes Detailing Pack Easy to Follow Instructions Not recommended for children under 14 years old unless supervised by an adult DCC Signal (LH Feather) Multi 3 Aspect | TierneyModelRailway Model Railway Signal Kit This item is NOT a toy and is intended for modelling use