How to Build a Mini Projector From a Shoebox & Magnifying Glass

Turn a simple shoebox and magnifying glass into your very own DIY mini movie projector! This fun, hands-on project is perfect for movie nights, science experiments, or just impressing friends with clever homemade tech.

Inside, you’ll learn:

✔ Step-by-step instructions for building and setting up your projector

✔ The science explained—how lenses bend light to project images

✔ Pro tips & troubleshooting for getting the clearest picture

✔ Fun variations & upgrades (giant projector builds, adjustable focus systems, and more)

✔ Printable experiment tracker to record your tests and improve results

Perfect for kids, DIY fans, or anyone who loves science and creativity—turn any blank wall into a home theater in under an hour!