Yes it will.Battery -> Capacitor -> LEDThe capacitor will charge up, and then release its charge, turning the LED on, then off later.
Ooh, idea. Attach a little noisemaker with like a high-pitched whine or something. It'll catch someone's attention quite easily.
Even better: Attach a small boy to it, but actually keep him hidden at home.
Put my Skype name (FeepCake) on it ;D
Put a tinyurl of this topic on it and make it say to go there. :D
The teachers were each fined a hefty for causing a panic.
What if they sign you up to Gay research?