Not Safe to Go Back in the Water
 

From an article on Gizmodo "While strapping a fin to your back and pretending to be a shark may have been the way to scare your pool-going friends in the 20th century, its time to upgrade that age-old gag. Why not try the remote controlled robotic shark from Hammacher Schlemmer?"

http://us.gizmodo.com/gadgets/gadget...ark-157111.php