Photos: 20 STEM projects to try

1. Wooden catapult

The summer days can get surprisingly slow. Here are 20 STEM projects--both easy and complicated--to help keep the creative juices flowing.

Play fetch with the dog or toss your friend the remote with a catapult! Here are some instructions on building your own catapult, from simple to more complex assembly. You can also order a kit here.

Image: Amazon/Abong

By Macy Bayern

Macy Bayern is a former Associate Staff Writer for TechRepublic. She is a graduate from the University of Texas at Austin's Liberal Arts Honors Program.