You don't have to wait until winter to get a beautiful frosty pattern on your windows. Surprise everyone with ice crystals and snowflakes when the sun is blazing. Simply draw them on with Crayola Crystal Effects Window Markers - they work with solar energy.
Non-toxic Crystal Effects Window Markers flow on easily and they're simple to remove with water when you want to change your artwork.
Watch as marker colors glaze over and crystallize before your eyes! Turn an ordinary window or mirror into colorful crystal canvas! 8 Washable Window Makers with Crystal Effects.