1. Sketch pencil: This pencil has a soft lead and is suitable for sketching details. Common sketch pencils are H series (hard lead) and B series (soft lead). H series pencils are suitable for strokes and fine details, while B series pencils are suitable for shadows and dark areas. You can also choose HB series pencils, which are both soft and hard, and are suitable for most painting needs.
2. Charcoal pen: Charcoal pen has a thick lead and a dark color, and is often used for sketching and sketching. Charcoal pen can produce a strong contrast between black and white, which is suitable for expressing a strong relationship between light and shade and a three-dimensional sense.
3. colored pencils: colored pencils are suitable for drawing colorful pictures. They have different colors and textures and can be used to draw detailed details or large areas of color blocks. You can choose oily markers or water-soluble markers, and add water or solvent to produce watercolor effect.
Mechanical pencil: mechanical pencil is suitable for drawing fine lines and details. They are usually equipped with adjustable lead core thickness, so that you can adjust the line thickness according to your needs.