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Step 1: Gather Ingredients

Gather a dark blue expo or marker, a dark purple marker, and tape. Clear tape works best

Step 2: Tape

Have 3 small strips of tape.

Step 3: Color Blue

Take 2 of the strips and color blue on the non-stick side.

Step 4: Color Purple

Take 1 strip and color it purple.

Step 5: Apply

Apply strips in this order: blue blue purple onto a phone flash light or a regular flash light.

Step 6: Enjoy!

Works best in dark rooms with bright colors and black light paint!!!

Pictures are from my room and were done with black light paint.
Man this is amazing, thanks
omg awesome!!! Thanks can't wait to use this
<p>Neat trick! Thanks for sharing!</p>

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