Shop Edible Ink Food Pens, Markers + Paint Pens at Bakers Party Shop. Add detail to your desserts with food art pens. With both a thick and thin end to choose from on the Rainbow Dust food pens, you'll be able to create any design to desire on your sweet creations. Use Sweet Sugarbelle's brown and black food pens for cookie decorating. And use Rainbow Dust food paint brush pens for adding special details to your sweets.