You will need
-blue CD marker
-a phone with flash
Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.
Step 1: Put a Piece of the Tape in Front the Flash
Step 2: Paint the Tape
you only need to paint in front of the flash
Step 3: Put Another Layer of Tape and Paint
do this 4 times and it shoud look like imag 2
Step 4: To Finish It Just Put One Last Layer of Tape
-it is not as strong as a real UV light but you can have some fun with it