Prang Groove Triangular Colored Pencils, 3.3 Millimeter Cores, 7 Inch Length, Assorted Colors, 12 Count (28112) Triangular shape with grooves promote proper grip, even after sharpening Smooth core delivers vivid, blendable colors and soft laydown 3.3mm break resistant core holds up under pressure Real wood casing ensures consistent, easy sharpening AP certified non-toxic, Colors Included: Red, Orange, Yellow, Green, Blue, Violet, Yellow-Green, Pink, Sky Blue Magenta, Black, Brown