Modified version of the LEGO set 10194 Emerald Night - with light, sound and smoke

v1
Small and XL wheels from BBB.
Chimney switch to turn frontlights on and off.
Push-a-long engine with 9V motor placed under the wagon.
Some other functional and visual modifications.

V2
Equipped with a LokSound v4 decoder, bass reflex speaker and some warm white LEDs. 
A reed switch and six mini magnets are used to sync the sound with the wheels.
A Seuthe nr 6 smoke generator is powered by a 11,1V Li-Po battery.
Track powered and controlled by an RCX 1.0 with LDCC firmware.

v3
Custom rods from Zephyr.


Videos at 
http://www.youtube.com/watch?v=kNauyevP91E
http://www.youtube.com/watch?v=XSsYnp387mM


More info at the Eurobricks forum
http://www.eurobricks.com/forum/index.php?showtopic=71511