Bubble Pen --- Simply draw & dry it with a blower or heaterAll pens on this kit contain puffy magic ink that leaves whimsical lines that you can puff up easily by just heating or drying.Easy Peasy to Use --- Draw anything you like in a paper or any surfaces, apply even heat using a blow dryer or microwave for at least 2 minutes and you'll have amazing puffy art projectsPuffy 3d Art --- Create scrapbooks like never beforeChoose from the 6 neon-colored pens and mix them to make magical 3D artworksClean and Washable --- It can be washed from the skin, most washable clothes and most painted walls. Perfect for art projects, classroom activities and more detailed activities.Fine Masterpieces --- Let your creativity flow freelyThe pens thin tips allow you to trace lines with finer details so you can put your imagination into paper precisely. Puffy art craft every time.