Ahhh....slot cars. I remember I have quite a big track when I was small (5-6 metres long IIRC), with banking, loops and bridges. I used to spray water to simulate 'rain', and sprinkle some dirt to turn it into a 'rally' stage. I even remember plucking leaves off the trees in my backyard and scatter them all over the track and call it 'autumn'. Too bad there's no snow where I live so I can't make a winter rally stage
. Needless to say, the electronics didn't last long
, so I abandoned the slot
cars themselves and used 1:64 scale hot wheels/matchbox cars to race instead
. Good times.