The Size-a-Tron 3000 is a machine invented by Gary. It was mentioned in The Inventor's Apprentice. It is a big metal box, and the book describes that it has "an arm attached to the front, and some kind of tube extends from the arm. A control panel has rows of different-shaped buttons on it."


  • In The Inventor's Apprentice, you click on the biggest button to shrink smaller than a Puffle.
  • If you click on the biggest button, a green light will glow.
  • Pushing the square button will turn you back to normal size.
  • Pushing the triangle-shaped button will do nothing.
  • Pushing the round button will make you taller than the Sport Shop.
  • Pushing the star-shaped button will make you plaid.


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