switch-eroo color changing markers $13.99 Default Title Quantity Add to Cart This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. Your Email Switch-Eroo Color Changing Markers surprise and delight with one regular color and one mystery color change. Color with the regular side, then use the mystery color change side (white tip) for a wonderful transformation. Add an extra artsy layer with this amazing set that is sure to spark happiness.