Kaweco Fountain Pen Glow in the Dark Medium is a compact fountain pen made from translucent glow in the dark plastic and fitted with Kaweco’s dependable medium steel nib for smooth everyday writing.
Part of Kaweco’s 2026 DIY Sport release, this edition invites the user to assemble the pen themselves before first use. The body charges gently in sunlight or UV light before revealing a soft green glow once the lights are low. Equal parts practical writing tool and desk companion.
Small enough to disappear easily into a pocket, notebook pouch, or glovebox, yet comfortable in the hand once posted for writing. Particularly good for journalling, sketching, letter writing, or simply making everyday lists feel slightly more considered.
Kaweco has produced writing instruments in Germany for well over a century and remains respected for reliable nibs, thoughtful engineering, and compact functional design. Each pen arrives in a classic Kaweco tin with a blue ink cartridge and matching clip included, ready to use straight away or gift onwards to someone who still appreciates writing properly by hand.
Medium nib.
Photographed disassembled however all pens are delivered assembled.
Made in Germany.