Watermelon Maker is a well-known online children's programming education brand organization. With the mission of "release every child's creativity", it provides online children's programming education for 6-12 year olds. Since its establishment in January 2017, it has quickly gained millions of users and 300,000 paying students in 60 countries around the world. In August 2019, it was led by the New Oriental Education and Cultural Industry Fund, with SAIF Investment Fund and Oceanwide Investment Co-investors. Shareholders Sequoia Capital China Fund, Jingwei China, and Baicizhan made additional investments, with a Series B USD investment worth 150 million yuan.

Xigua City is an online computer programming education platform for children. Xigua City released the X Plan strategy, which uses AI and big data as the starting point, and uses technology to promote curriculum development, teaching services, and learning experience iterative upgrade. This improves the LEAP curriculum system, promotes learning evaluation based on AI+ Big Data, and upgrades the teaching intelligent assistant system to build an active community.