Guard that Bedroom
Does your kid brother or sister like sneaking into your room when you’re asleep or not there. What are you going to do about it, well now you can alarm the room the geeky way using lazer trip wire just like you see in the movies. Unless you have a sister like
Miss Jolie you can sleep safely in the knowledge that nobody will enter your enclosure without a gut wrenching buzzer sounding.
In the US this is available for under 30 bucks from our friends at ThinkGeek.com