Heat-sensitive pencils that change color from dark to light when held. These mood pencils, made of wood, feature a deep color at high temperatures and a light color at low temperatures. You can enjoy the fascinating color change in your spare time, adding a touch of relaxation. They make great gifts for boys and girls on birthdays, New Year's Day, Easter, and more. They're perfect as stocking stuffers or goodie bag fillers for Christmas, and can even be a delightful surprise after a break. Personalize them with your logo to showcase your brand!