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 Pens Makes Your Art Puff Up When You Apply Heat Great for Unique Art Projects Set of 6 Neon Colors Suitable for ages 3 and up- Adult Supervision is Required