Don't just cover, change the colour with 4 Take Note Dual Ended Colour Changing Pens. Each Pen is equipped at one end with a Felt Tip Marker and the other with a clear, colour changing Chisel Tip. Precise details are easy with felt tip pens. And if you want to change the colour, just flip to the other tip and apply the clear ink and watch the magic happen! Colour-changing inks wash easily from skin & clothing. They are the perfect fun and functional note taking supplies for the classroom, office, and more. Ideal for teens and adults.