These worksheets are meant for KG1-KG2 kids. By using these sheets, the kids can practice coding, counting, and number formation. Therefore, by introducing the kids to programming, they also practice and review other important areas of development. In my experience, most kids will solve a worksheet in 5-10 minutes. Although the usage and solutions of the worksheets can be understood from the cover of this product, the last 2 pages of the pdf show the answers to the first 2 sheets. As I continue