CS First is a Computer Science curriculum designed by Google It utilizes the Scratch platform to offer a series of themed lessons on a variety of topics such as art, storytelling, sports, and game development. CS First is designed to be very easy to teach for teachers and includes comprehensive materials such as lesson plans, sample code, and class videos. It is also completely free. For more information and to access all the materials, visit the Google CS First website. We have included solution sheets and lesson plans for several popular topics for your convenience. Additionally, you can upload any supplementary materials that you wish to teach.