This is a must see. Watch this for about a minute. You'll know the part when you see it. If when you get to that part you were surprised then wait another minute or 2 and you'll get another surprise.
http://www.snapbuzz.com/video/12872/thats-a-cool-little-remote-control-boat-wait-wtf
http://www.snapbuzz.com/video/12872/thats-a-cool-little-remote-control-boat-wait-wtf