Crayola Window Markers for Glass with Bonus Butterfly Window Clings (Window Art Kit, 8 Markers, 10 Decals) Crayola Window Markers for Glass with Bonus Butterfly Window Clings -- Window Art Kit Set -- 8 Washable Markers and 10 Large Butterfly Wall Decals. This Crayola Window Marker Set for kids and adults alike includes 8 markers: white, red, orange, yellow, green, purple, blue and brown. Bright, bold colors are completely washable and specifically designed to work on all glass surfaces -- including car windows! Includes 10 Butterfly window clings. These high quality butterfly decals are repositional and work for both windows and walls. A fun addition to the Crayola markers for windows -- color a scene for the butterflies. Crayola glass markers are perfect as Crayola party supplies, party activities for kids, art projects and more. Officially licensed Crayola toys and games product.