Where can I buy a periscope to look around a bend or corner?

Question

Nothing very fancy I just need it to poke out because I like to shine red dots at unsuspecting people then I need it to see if they are looking back.. Dont flame me this is very fun you should do it.

Answer 1

Here are a couple periscopes very reasonably priced

http://rover.ebay.com/rover/1/711-53200-...

Have fun!