Product Description Colour light signal kit based on the signals used on modern railways. 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.Be sure to read the instructions carefully before attempting to construct this kit.Signal Details:2 Aspect Dual Head DistantPre-Assembled LED StemIncludes Detailing PackEasy to Follow InstructionsLED Colours:2 x Yellow2 x GreenCLICK HERE to view an article on the Train Tech Signal Kits. Safety Warning Caution, This product is not a toy and contains small parts which may harm or choke a child. Not recommended for children under 14 years old unless supervised by an adult