🎨 Color Your World, One Window at a Time! Perfect for holiday decorations and personalized messages. Washable from glass, skin, and most fabrics! Non-toxic formula, ideal for ages 3 and up. Make your designs pop with Crayola's signature hues. Transform any glass surface into a canvas! Vibrant Colors Easily Washable 5 Washable Crayons Crayola Window Crayons are a set of 5 vibrant, washable crayons designed for use on glass surfaces, mylar, and mirrors. Perfect for kids aged 3 and up, these non-toxic crayons allow for creative expression while ensuring easy cleanup.