Code Land App’s Github Link: https://github.com/JedLee6/CodeLand_publicThis APP is a programming software for children and teenagers of different ages from 3 to 16 based on Googles visual graphics programming language Blockly.Children and teenagers can not only drag and drop Blockly code block in the APP, and train their programming thinking in the form of block assembly such as word recognition and puzzle game, but also learn programming, algorithm and develop their own program with Blockly code block, so that every child can create the future with code.The APP has the following three modules:1. Knowledge enlightenmentThis module is mainly aimed at preschool children under 7 years old. It integrates the knowledge chapters of poetry and three-character classics of traditional Chinese education into the childrens literature. Children classify, combine and memorize things through Blockly puzzle, so as to realize the knowledge enlightenment of preschool children.The programming gameThis module is designed to help children develop their intelligence between the ages of 7 and 13.This module has 5 to 6 puzzle game scenes, such as maze, drawing, etc. In the level, children can use "code" to pass the levels in the game scene, and improve their logical thinking ability while reaping the fun of the game.Introduction to programming for childrenChildrens programming starter module is a basic programming starter training platform for children and teenagers aged 10 to 16. According to the basic knowledge points of Blockly, the module is divided into variables, branches, loops, functions and other 6~7 series.Children and adolescents use Blockly visual code editor to write programs, complete corresponding problem sets, learn basic programming knowledge, and develop childrens intelligence.