1. On a sheet of paper, trace the desired shape (spider, pumpkin, witch…). Need inspiration? Print out these Halloween drawings for free.
2. Place the sheet of paper under the plastic sheet and trace the contour of the shape with a dark colour, then paint the inside with one or more of your chosen colours. For the spider web, draw the web with black outliner and the inside with the transparent tube.
3. Let dry for 24 hours.
4. Delicately peel off the shape.
5. Place on a window or a mirror.