1998 industrial for The Gap's "Gap Kids" garments line. Children leap about, climb things and primarily do exactly what they do. The white background visually links the commercials to The Void's various other series of commercials.
The songs is from Smashmouth (or a minimum of the lead singer of Smashmouth).
This 30 2nd spot aired in 1998 during the period best of The Simpsons.