Sizeirator 2000

The Sizeirator 2000 is a ray to shrink and grow things. It only appeared in Captain Underpants: The First Epic Movie.

Trivia

 * It is a combination of the Goosy-Grow 4000 and Shrinky-Pig 2000 from Captain Underpants and the Perilous Plot of Professor Poopypants.