The Ultimate Vampire Resource and Directory

Moranis plays "nutty" inventor Wayne Szalinski who perfects a machine capable of shrinking objects down to a hundredth of their size, though when first tested, it causes objects to explode rather than shrink. When his two children, Nick and Amy, and his clumsy neighbor Big Russ' two sons, Ron and Little Russ, enter Wayne's attic laboratory in which the shrink ray is located in order to retrieve Ron's lost baseball, they find it has been triggered by the ball and take the full brunt of the shrinking ray....