At the heart of the strategy of professional excellence in the understanding of children, in education, in teaching creatively and in design, shanghai has developed professional r & d teams, led and guided by eminent professors in the field of child development and education, with high-level professionals such as graduate and undergraduate students at the core, as well as innovative models of products with internet thinking, the development and consolidation of marketing channels with high-quality play tools and personalized services, the production of internationally professional visions, home-grown creative ideas, good play tools for children in china, and the provision of related services (both physical and information-based distance services). The lemon cat is a newly born, vibrant, light-coloured, happy panda. It is the classic brand of the children's game game series developed by shanghai child. The lemon cat game products are characterized by a series of salient features that correspond to children's life experiences, curriculum learning content, which can be adapted flexibly to the individualized needs of the child to suit the preferences of different children's games, the curriculum development needs of teachers, and the educational needs of parents. Currently, the lemon cat series of products have completed the development of more than 50 games and games, and have been patented through long-term child observation and evaluation, in line with children's development and education. Shanghai child's first 13 pieces of chess this year, namely, penguin lines, big ears, chess, piggy runs, magic box, little ball pumping, butterfly flying, heart-fearing stairs, digital chess, jumping chess, baby-to-foot, sunflower. Taking into account the actual needs of kindergartens, the first 11 games can be combined in the chess. The 13 games deal with the five areas of health, social, cognitive, linguistic and artistic development of children, all of which have a series of characteristics. It is innovative to meet the needs of early childhood development and the education needs of teachers and parents, one of which is associated with the use of an electronic voice box and is an international initiative。