minty geek, "cookie jar alarm" test

I absolutely enjoy my new Minty Geek kit (thanks Ania :-*) - http://mintygeek.com/

Here is a video of  the "cookie jar alarm" test - http://www.youtube.com/watch?v=7u8ibJa_gVY

It's using two transistors, relay, foto-resistor to sense the light and 555IC.