Decode Red - Part 222:26 Min -

One light blue (or green) marker and one bright red marker.

Red cellophane paper or a transparent red plastic sheet. Scissors and Tape/Glue: To create the "decoder lens". Step-by-Step Instructions Prepare the Decoder Lens (5–10 Mins) DECODE RED - Part 222:26 Min

To create a "DECODE RED" activity—a popular project where a hidden message is revealed using a red filter—follow the steps below. This activity is designed to take roughly to complete. Materials Needed Paper: White construction paper or cardstock. One light blue (or green) marker and one bright red marker

Place your red decoder lens over the paper. The red filter will make the red marker "disappear" into the background, while the blue or green text will appear dark (nearly black), making the secret message clearly visible. Alternative Method: Invisible Ink Place your red decoder lens over the paper

If you don't have red cellophane, you can create a "heat-decode" paper using . Write your message with juice and a brush; once it dries (about 15–20 minutes), hold it near a heat source like a lightbulb or iron to turn the writing brown and "decode" it. Write a Secret Message with Matt!

Cut a piece of cardstock into the shape of a magnifying glass or a simple rectangle with a hollow center.