Kid Inventors
9:52
2006 - Dave with Kid Scientists
7:55
Kid Inventors on Letterman, February 20, 1991
8:29
Kids Show & Tell on Letterman, November 13, 1991
10:19
Don't Try This At Home! Dave Welcomes Kid Scientists | Letterman
5:12
Late Night with David Letterman 10th Anniversary - Kids Segments
5:52
Lulu Cash Gibson (Child Genius) on Letterman, December 15, 1989
8:31
Stupid Human Tricks on Letterman September 4, 1984
2:24:23