While tempera is one of the oldest forms of painting, dating back to ancient Greece and Rome, it is now a preferred choice mainly for classrooms and kids’ craft projects due to its affordability and ...

—In a small container, mix about 1 tablespoon of washable tempera paint (yellow, golden, glow-in-the-dark, or neon colors work best) with a small amount of water until it’s the consistency of syrup.