Pumpkin Sling

Where Brain Meets Brawn

A competition between participating school teams that build a human powered catapult or trebuchet, designed to propel a 2-5 lb. pumpkin.


2022 Application

Building a catapult or trebuchet is easy, it's getting it to work that is the hard part. Teams have opportunity to collaborate, learn about physics, mathematics, working with tools.... and how not to procrastinate. Teams have already been making plans to participate in 2022, so don't delay and reserve your spot today!

Click here to download the rules.


2019 Teams


Morris Knolls High School, NJ This team is a high school team that works on their project in their Science Inquiry Class. They have been in competition for 6 years and are previous 3 time winners in their category. This year they return with one Floating Arm Trebuchet and 2 Catapults.
Team: The MK

Sussex County Technical School is participating for the first time in any Pumpkin Slinging event. The team consists of students in their engineering, carpentry and welding programs. They will have a 6 foot long launch arm, spring loaded catapult. Rookie Team in 2016
Team: Sussex Tech Manufacturing

Dover Middle School - the only middle school to compete, they have competed each year since moving to Picatinny Arsenal.
Livingston High School is attending with a short floating arm trebuchet. The main frame is constructed of wood, and the arm is constructed of chromoly steel that is reinforced with a bridge like structure.

Originally, the Livingston High School Trebuchet team, the Lancers, was part of the high school's Technology and Design II Class. .
The Lancers

Morristown High School

West Orange High School
Parsippany High School - rookies in 2019
Verona High School - rookies in 2019