Usage: greeting cards to write; Old transformation; Personality graffiti. Can write and draw on any thing would like popcorn three-dimensional pattern design. After writing should to blow immediately with high-power hair dryer or microwave oven. The effect of hair drier reported more have administrative levels feeling the effect of microwave oven came out more evenly. Prepare tools: popcorn pen papers and hair dryer. Method of use: step 1: draw a picture with the popcorn pen if you need exaggerativepattern to squeeze more liquid. Step 2: A scheme: use the hair dryer high mode to blow about 2 minutes better effect. Step 3: take out own DIY work share with your friends!