1. Core functions: Quick drying, crayons, oil painting sticks, coloring, painting
2. The ink: dark red, red, orange, orange, orange, orange, yellow, lemon yellow, weak green, lime green, green, dark green, olive, light blue, blue, green, sky blue, cobalt blue, dark blue, purple, dark purple, purple, violet, dark pink, pink, skin color, yellow, brown, red, brown, coffee, gray, dark gray, black, white, silver, and gold