The colors of the flowers painted by the children are rich and varied, full of changes in depth, which fully reflects their aesthetic pursuit and creative ideas. 

In the application of the color of the picture, through the change of color depth and the contrast between the color and the dark background, the children have mastered the blending method of the change of gouache pigment depth, enhanced their painting skills, and developed a certain creative ability and aesthetic feeling.

Watercolor pen is a common painting tool for children. It has the advantages of sufficient water, rich colors, bright colors, natural transition, and good harmony between two colors. Therefore, it is generally suitable for children's painting. For drawing lines