Quick to build, the trigger launcher offers ample opportunity to customize your design.
Build a triple-shooter, or a super long one to maximize the energy harnessed from the rubber band!
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 launcher isn't shooting very far, then...
Make sure the rubber bands are being stretched out enough.
Make sure the clothespin is positioned at the top of the craft stick "stairs." If it's not, the cork or the rubber band may get caught on the edge of a stick.