FLEXIBLE LED STRIPS (UNWIRED).
SOLD IN 30CM LENGTHS WHICH IS 18 LEDS for £1.00.
You can cut the longer strips in 3 LED increments and you just need to solder wires to the solder pads on the strips.
Available in Bright White, Warm White, Amber, Red, Blue and Green.
Also available in 5 metre rolls for £10.00