Honey I Shrunk The Kids

See the Cast of ‘Honey I Shrunk The Kids’ Then and Now
The title of the 1989 family comedy 'Honey, I Shrunk the Kids' pretty much explains the plot.
In the movie, an inventor played by Rick Moranis ends up shrinking his two children and two neighborhood kids to a quarter-of-an-inch tall and then has to figure out how to un-shrink them.