I am in need of a simple mechanism for indicating the winner in toy car races. I'll have a wooden track about 40" long, with two cars racing side by side in shallow grooves. I just need a way to show which one wins. I want something mechanical since these kids don't have much experience with electrical stuff and might not believe it. Mechanical, they could trip with their hand and maybe "get it". I've seen something somewhere similar to this, but it's not coming back to me. Worst comes to worst, I'll use dropgates with the other lane tripping the "hold up" latch, but I'd like to be a bit more elegant.
What's more (Oh yeah, I'm being picky), I need something that's reasonably easy and cheap to make - I want to make maybe 5 of these.
Rube Goldberg ideas welcomed!
Thanks.
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