Class 1 Catapult

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Project Snapshot

A class 1 lever puts effort on one end, the work on the other, and the fulcrum somewhere in between.

 

This project illustrates this fundamental tool while also delivering some high-flying projectiles!

Materials
Materials

Step 1
Step 1

Step 7
Step 7

Materials
Materials

1/8

Click to expand

Tools and Materials

The Engineering Creation Kit has everything you need for this project and many more from STEM Inventions, or get the supplies in bulk:

Tips and Troubleshooting

If the hinge is breaking or falling out of the cubes, then...

  • Make sure to press firmly and quickly onto the catapult arm; don't strike it with your fist

  • Make the dowel slightly longer so it can't fall out from between the cubes with holes