It's build from 4 x 0603 SMD LEDs. They only need a room about 2,5 mm3.
To make the round tripping light looking more realistic I wrote a program on a PIC12F629. It drives each LED with a PWM signal.
See the "virtual" rotating effect in the video...
Maybe next time I try it with 0402 LEDs ;-)
The Idea behind that project is to build a realistic looking rotating beacon for a small (1:87) police, fire or ambulance car. Normally they use only a single flashing LED.
(The examples on the following link are not build by me! RC Feuerwehrfahrzeug in 1:87 )
And now lets go to my Part... ;-)