At the Kindergarten level it is amazing to see the kids yet to start writing and reading started controlling and using mouse and can click on files to open or close them. Many researches show that children who learn through painting and coloring are able to concentrate more on the tasks in their later years. They love to spend their time in coloring such pages or sheets.
Once you are done, close the eye-port. They also teach them to take pride in what they do and know they did their best. Then they won't be creating noise that can make it harder for the little ones to get the rest they need.