From my experience working with air-dry clay magnets, priming with sanding and gesso can make a big difference in the final look and durability of your creations. After shaping and drying your clay magnets, lightly sanding the surface helps to smooth out any uneven textures or imperfections. This step ensures that the gesso primer adheres evenly and creates a solid base for painting. Applying gesso as a primer is crucial because it seals the porous surface of the clay, preventing paint from soaking in too much and allowing vibrant colors to stand out more vividly. Using a fine brush or sponge, apply a thin, even layer of gesso and let it dry completely before painting your design. One tip I learned is to do multiple thin layers of gesso rather than one thick coat. This prevents cracking and gives a smoother finish. Also, sanding gently between gesso coats can help keep the surface smooth. Once primed, your magnets are ready to be decorated with acrylic paints, markers, or even embellishments like glitter and resin. This process not only improves the paint’s durability but also helps protect your magnets from chipping or wear as you use them on your fridge or gift them to friends. Overall, taking the extra time to sand and prime with gesso transforms your air-dry clay fridge magnets from simple shapes to beautiful, lasting art pieces. It’s a rewarding step that any clay artist or craft enthusiast should incorporate into their projects.