A fountain pen can write on a stone, but it is difficult to erase it after writing.
Watercolor pen, a painting tool. Watercolor pen is a common painting tool for children. The material of the nib is generally carbon fiber, which is usually sold in a box of 12, 24, 36 colors. The nib is generally round, and the two colors are not harmonious together. Generally suitable for drawing children's pictures, and can also be used as markers.
Brief introduction of watercolor pen
The advantages of colored fountain pens are rich colors and bright colors, but the disadvantages are short time, uneven moisture, unnatural transition, and disharmony between the two colors, which is generally suitable for drawing children's paintings.
Some marker boxes can also be divided into several vertical watercolor grooves, and each groove is filled with different watercolors, so that the marker can write different colors of calligraphy and painting or draw different patterns at one time.
And the color can be adjusted at will; one pen can write big characters or draw large-area paintings and calligraphy at one time, and the color changes are rich, which is more suitable for painting and calligraphy creation, improves the painting effect, and is beneficial to improving students' learning interest and painting and calligraphy level.
The color fountain pen structure comprises a plastic pen shell, a cavity is filled in the pen shell, one end of the pen shell is provided with a pen tongue made of a plastic pen tip and nylon material, the pen tongue is closely matched with the pen tip, the pen tongue is long, the top is an arc-shaped top, and a plug is arranged at the end of the pen shell.