Unveil a world of artistic wonders with the Magic Puffy Pens. These aren't just ordinary pens; they possess the unique capability to puff up and create remarkable 3D art once exposed to heat. It's all thanks to their magical ink. Simply sketch with the Magic Puffy Pens, allow it to dry, and then introduce some warmth from a hair dryer. Voila! Watch your drawings rise and transform into captivating 3D masterpieces. From personalising greeting cards to giving your colouring books a 3D edge, these pens are your gateway to a whole new dimension of creativity. This set includes 6 vibrant neon colours, ensuring your artwork is as lively as it is tactile.