Switch-eroo! Color-Changing Markers - Set of 24Color, draw and create, and then switch it all up with this 24 pack of color changing markers. Switch eroo! Color Changing Markers let you create a masterpiece using any of the 24 bold regular colors, each with a chiseled tip for both thick and thin strokes. Then flip your marker and, voila!, a completely new design is revealed. Surrender to the element of surprise, or sneak a peek at the mystery color to intentionally create exciting and interesting