After learning how to use the trackpad on a macbook, this second grader uses the shapes that make up a "snowman" and recreates the happy boy using only rectangles. He uses digital "crayon" to construct each piece and plans ahead to allow symmetry.

二年级的 Ethan 在开始编程课的第一周，他只会用鼠标在苹果电脑的 Xcode 编程环境里创建长方形色块。但这并不妨碍他耐心地实现如此动人的（人生第一件编程）作品，在 iPad 仿真器中。