Lazer Tripwire
My son is into all things "spy" so he loved getting this laser beam gizmo for his birthday.
Wild Planet Lazer Tripwire
$24.95 from eBay
Keep your top secret stuff safe with the Lazer Tripwire. Set up an invisible perimeter, just like banks and museums! Intruders cant see the beams, but... (more)
Available from
See Also
 
Lazer Tripwire
www.ebay.com
See Lazer Tripwire auctions at eBay.