BIRDBRAIN TECHNOLOGIES Shadow Thrower Project

Instructions
- Draw a circle on a piece of paper by tracing the end of the cardboard roll. Cut that circle out.

- Design or trace the shape you would like your shadow thrower to project. Cut the spooky shape out of the center of your circle.

- Tape a sheet of aluminum foil to the inside of your cardboard roll, lining it completely.

- Tape your paper circle to one end of your cardboard roll.

- Insert your single or tri-color LED light through the opposite end of the cardboard roll.
- Program your LED light.
Take your shadow thrower into a dark room and enjoy!
Materials Needed
- Cardboard roll
- Aluminum foil
- Paper (various colors)
- Tape
- Scissors
- Single or tri-color LED light
Specifications
| Material | Description |
|---|---|
| Cardboard Roll | Used to create the body of the shadow thrower. |
| Aluminum Foil | Lines the inside of the cardboard roll to reflect light. |
| Paper | Used to create the circle and design for projection. |
| Tape | Secures the paper and foil in place. |
| Scissors | Used to cut paper and foil. |
| LED Light | Provides the light source for the shadow thrower. |
FAQS
What is a shadow thrower?
A shadow thrower is a simple device that projects shapes onto a surface using a light source.
Can I use any type of light?
It's best to use a single or tri-color LED light for optimal results.
Do I need to program the LED light?
Programming the LED light is optional but can enhance the effect by changing colors or patterns.
What kind of designs can I use?
You can use any design you like, but spooky shapes are popular for creating fun shadow effects.
Documents / Resources
![]() | Shadow Thrower Project |
References
- User Manualmanual.tools
Published: February 4, 2025
Updated: February 8, 2025

