Discover the Staedtler Lumocolor Perm Ohp, a range of universal pens that bring a blend of vibrant creativity and practicality to your childs playtime or learning sessions. Crafted for use on almost any surface, these pens are perfect for a variety of projects, from art on glass and plastic to overhead projections.These pens boast a permanent, low-odour ink that is both smudge-proof and waterproof, ensuring that artworks or learning materials remain pristine. The ink dries in seconds, making these pens especially handy for left-handed young artists who may struggle with smudging. What's more, each pen is outfitted with a PP barrel and cap that guarantee a long service life, so frequent replacements won't be necessary.Safety is paramount with the Lumocolor Perm Ohp; the pens are airplane-safe, featuring automatic pressure equalization that prevents leaks, even when your family travels. The pens remain fresh and ready for use even if left uncapped for days, thanks to their innovative design.Each set includes four black permanent markers in assorted line widths for diverse application, housed in a practical STAEDTLer box for easy transport and storage. Suitable for a wide age range, these pens facilitate educational activities, enhance engagement and interactivity, and are durable enough to cope with the enthusiastic use by children exploring their creative potential.