Kid Inventors has been one of the staples of late night TV for a long time.  Johnny Carson did it, Jay Leno did it, even David Letterman and Jimmy Kimmel do it.  Now Jimmy's done it, except Jimmy tried to top each kid inventor with his own "Fallon-ventions."

It was all for a good cause as Jimmy surprised three kid inventors with a $5,000 scholarship courtesy of General Electric.

Jimmy Fallon closed out his first week on the Tonight Show with his good buddy Justin Timberlake on Friday.  Click here to see more from Friday's show.

Next week, the Tonight Show will return to it's regular time at 10:30pm.

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