OOLY - Magic Neon Puffy Pens

Magic Puffy Pens are a very special set of neon colored pens that puff up with 3D magic when you apply heat. It's all in the magic ink.3D Puffy Ink PensMakes Your Art Puff Up When You Apply HeatGreat for Unique Art ProjectsSet of 6 Neon ColorsSuitable for ages 3 and up- Adult Supervision is Required