Click to expand Tap to zoom Chameleon | Colour Change Pencils by Chameleon Colour Change Save Liquid error (product-badge line 32): -Infinity% $2.95 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart These colourful pencils change with the heat of your hands as you hold them, using thermochromatic technology!