lighthouse - could be used for imaginary play-- "steering the boats"-- one child is the boat, the others are the lighthouses, work together to get the boat from one end of the room to the other! Use two plastic cups and an electric tea light.
DIY Remedy - Minimize mark that a blemish may leave by mixing teaspoon baking soda and teaspoon distilled water to create a paste. Apply to affected area for 5 minutes, splash off. After, use cotton swab to dab on hydrogen peroxide.