DIY Bubble Popcorn drawing pens for creative 3D drawings with heat effect | Buy 1 Get 1 FREE
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Karan Joshi
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Draw it flat.
Watch it rise.
Six pens of clay-based ink that swell into raised 3D art when you heat them. Draw a line, warm it for two minutes, and the flat drawing puffs up off the page.
What makes it different
Six things these pens do that a normal marker and a colouring book do not.
The Drawing Changes Shape
Heat turns a flat line into a raised, spongy ridge you can run a finger across. That transformation is the whole appeal — children stay for the reveal, not the drawing.
Three Steps, Nothing Else
Draw, heat for at least two minutes with a heat gun or in the microwave, done. No mixing, no drying overnight, no kiln.
Fine Tips, Real Detail
The tips are narrow enough for outlines and lettering, so the puffed result keeps its shape instead of spreading into a blob.
Six Colours in the Box
Six pens with 10 ml of ink each — enough for a long run of projects before any of them runs dry.
Not Just Paper
The ink takes to wood, glass, plastic, ceramic and metal as well as paper, so the same set decorates a jam jar, a phone case or a wooden box.
Clay-Based Ink
The ink is a clay-based, environmentally friendlier formula rather than a solvent paint — worth knowing for something used at a kitchen table.

Made for rainy afternoons
This is a craft that ends with something to keep. It suits a kitchen table on a wet Saturday, a birthday activity with a few children round one table, and the kind of gift-making where the finished object matters more than the hour spent on it.

No comparison.
| Features | Ordinary Brands | KobenHouse |
|---|---|---|
| Ink expands into 3D when heated | ||
| Six colours, 10 ml each | ||
| Fine tips for precise lines | ||
| Works on wood, glass, metal and more | ||
| Clay-based, environmentally friendlier ink | ||
| 14-day money-back guarantee |
Ready when you are.
In stock and posted with tracking, at your door in 5–8 business days. Free shipping in Denmark over 225 kr, and 14 days to send it back for a full refund.