Are you in the "mood" for a new twist on a classic promotional item? Then the Mood Pencil with Black Eraser may get business "heating" up! Proudly made in the USA, this round pencil changes color simply from the heat of your hand. Heat sensitive it's more effective at room temperature. This writing implement contains number 2 lead only but is available in 5 vibrant color combinations. Great for schools, banks, libraries and much more!