How to Make an LED Temporary Tattoo – Cool Wearables

This video tutorial guides viewers through creating a light-up temporary tattoo using the Duo skin method. It covers the materials needed, preparation of the tattoo using contact paper and vinyl, assembling the tattoo with an LED and battery, and finally applying the tattoo to the skin. The tutorial emphasizes careful handling of materials and provides detailed instructions for each step.

What is the first step in preparing the workspace for creating the tattoo?

• Setting up the LED

• Applying the contact paper

• Printing the activity sheet

• Cutting out the template shape

When applying the contact paper, which side should be facing up?

• The side with blue gridded lines

• The glossy side

• The transparent side

• The adhesive side

What tool is recommended for smoothing out the vinyl on the glossy paper?

• A ruler

• A hobby knife

• A postcard

• A foam brush

What should you use to reinforce the adhesion between the metal leaf and the paper?

• A paintbrush

• A dry foam brush

• A damp cloth

• A straight edge

How can you ensure the LED is correctly placed on the circuit?

• By using a ruler to measure

• By taping it directly

• By making an indent with the LED

• By cutting a large hole

What should you do if the LED does not light up during testing?

• Reapply the metal leaf

• Replace the battery

• Check the positive and negative connections

• Add more conductive tape

What is the final step before applying the tattoo to the skin?

• Peeling off the clear plastic film

• Applying a second layer of adhesive

• Testing the circuit again

• Trimming the edges