Introduction: How to Make a COCA-COLA FELT-TIP PEN / INVISIBLE INK
https://www.youtube.com/watch?v=8KkMsSROprI&feature=youtu.be
Step 1: To Do a COCA-COLA FELT-TIP PEN / INVISIBLE INK You Need!
Step 2: In Today’s Instructables We Will Consider a Pretty Unusual Way of Using Coca-Cola!
Step 3: It Is Quite Harmful to Drink It So We Will Use It to Make Invisible Ink.
Step 4: So Relax and Watch the Video)
Guys, enjoy watching the video.