Preparation

Vinyl number stickers 4-by-6-inch watercolor postcards Paintbrush Acrylic paint

Apply a vinyl sticker to the center of a postcard, pressing firmly to ensure a tight seal. Lightly brush paint over the sticker in a vertical direction, and then repeat horizontally, making sure to brush well around the entire outline of the sticker. Let dry completely before peeling off the sticker.

Fluid 100 watercolor paper, $5.75, and Chartpak 3" vinyl letters, $12.75, dickblick.com. Martha Stewart Crafts “Multi-Surface” craft paint in magenta rose, $2 for 2 oz, michaels.com.