Craft a ballistic mechanical device for propelling projectiles. Use the elastic properties of the rubber band to release projectiles at a lengthy distance.

Please note this resource was tailored for US schools and may require adjustments to suit UK schools.

🇬🇧 Teacher Notes

Overview and Objectives

Materials

Preparation

Make base joints

Build the base

Make a center beam

Complete the base's center

Create a joint for the catapult's bucket

Attach pieces then lock to start making the bucket's top

Build beams and slide on straws for side of bucket

Lock beams over connectors to stabilize

Assemble beams for the arm and attach to the bucket

Tie a rubber band to a 1-leg connector

Click a connector through bottom of bucket then loop the rubber band on

Click the other side to complete the launching arm with a hanging connector

Attach the launching arm to center of base

Click the connector with rubber band on top

Take aim and test launch

Build

STEAM Classroom

United States

Engineering Design

Forces

Build a Mega Catapult