Got something secret in there, do ya? Guard it with a devilishly intricate system of booby traps.
This set's all you need to send a flurry of spiders tumbling down on bedroom trespassers...
Ever wondered how the Crystal Skull stayed lost for so long? It probably had one of these booby-trap systems rigged up to protect it.
Follow the instructions and your bedroom will be equally guarded from burglars, snoopers, and well-intentioned parents.
Home alone? Forget tin cans on strings - this spider and snake kit is ready for some serious scaring.
So how does it work? An intruder pushes open your door.
First, there's a soft whisper in the air - then the horrible sensation of a hundred legs running down the intruder's spine.
That's the shower of spiders, dropped by an eerily ancient-looking Mayan idol from the top of your door.
The intruder stumbles forward, scratching to get the plastic bugs out of his hair and clothing - but he didn't bargain for the next horror.
Swish! A realistic snake slithers powerfully towards the enemy, frightening him off for good.
A Note for Mums, Dads, and Well-meaning Relatives: This clever set doesn't need batteries - it operates on balance and wit, making this a great gift for kids aged 8+ (if you don't mind avoiding their bedroom from now on).
Rigged on a system of counterweights, springs, and pulleys, this set introduces kids to the very important science of protection.
It will inspire them to add a few tricks of their own - just watch your step when you go to collect the laundry!