The following is a list of Pencil's inventions on Rock, Paper, Scissors.
Jet Pack[]
During the opening title sequence, Pencil is seen wearing a jet pack, enabling her to fly in and rescue Rock, Paper, and Scissors from an angry mob.
Food-making device[]
In "Paper's Big Lie", Paper lies about the food-making device being broken, prompting Pencil to recreate it with him.
Time Machines[]
In "Hide and Seek", Pencil is shown to have built a working time machine, which she then loans to Paper. 2 decades later, she is asked by Paper to make another time machine so that he and Rock can find Scissors, who had taken the first time machine in an attept to win the trio's game of hide and seek.
Atomic Transmogrification Laser[]
In "Prank War", Pencil builds an Atomic Transmogrification Laser, which she uses to help the Rat Bros prank Rock, Paper, and Scissors.
The Wall of Glasses[]
TBA
Sentient TV[]
TBA
Automatically Breaking Baguette[]
TBA