Crayola Color Wonder Mess Free Mini Markers is a set of 10 mini Color Wonder markers in classic colours.Small size, big color. Provides great color variety and works on all Color Wonder surfaces. Color Wonder markers work only on Color Wonder paper, so kids cant make a mess on skin, walls, furniture or carpets. Compatible with all Crayola Color Wonder Mess series Color Wonder Papers (coloring/activity pads) Includes 10 Mini Markers in bright classic colors for use with all Color Wonder paper Color Wonder ink appears only on special Color Wonder paper and will never show on kids hands or clothes Color and magically reveal hidden images Hours of creative play Recommended for ages 3+ years.