Lego Duplo train mod

Home made Lego duplo train modification. The train is now remotely controlled with the lego IR remote control. The train can: - Go forward and backward - Light up a white front light and a red back light Also using the other lego remote, he has a variable speed capability. The tank filling sound is still working. You will find more details on http://papa-et-moi.fr What you will need: - a soldering iron - 2 leds (one white, one red) with needed resistances for a 4,5V current. - very thin electric cable (very few room inside) - a lego remote 8885 or 8879 (more expensive but extra features) - a lego receiver 8884 (very fragile if you misplug it, it burns within secs) Basically you plug the receiver on + - batteries. Channel 1 is plugged directly to the engine Channel 2 is plugged to the white led circuit in one way, and red the other way in //