Introducing a poster design by eqxiu.com, the leading online design platform. This poster, titled 'Add WeChat ID', showcases a 5-year-old girl named XiXi's creative painting titled 'Green Grassland'. The description highlights XiXi's vivid use of color and oil-water separation technique, emphasizing the richness of the artwork. The story of the painting is filled with童趣 (childlike fun) and features a variety of cacti and a dancing yellow butterfly. The poster serves as a perfect example of how eqxiu.com's rich template library allows for quick and easy creation of personalized and professional-looking designs. It also includes educational insights and learning points for XiXi's development in observation and composition, guiding her to deepen her understanding of the subject and enhance the visual impact of her artwork. eqxiu.com is your go-to platform for online design, making it simple to produce high-quality posters like this one.