Tux Paint is a free open source kids drawing application for macOS, Windows, Linux, Android and iOS. This program mainly target kids under 12 years old. This is really fun app for kids. It comes with good sound effects, full-screen mode to hide other things from kids and fun cartoon Tux to guide kids. The drawing tools are various type of paint brushes, Rubber stamp with photographic and cartoon images, line tool, shape tool, Text and Label tools and Eraser. And one of the important tool is Magic tool. Using this you can do more than 50 tasks like blur parts of the picture, make parts of the picture look like a cartoon, Throw confetti over your image, flip the image vertically, draws curvy-stalked flowers and lots more. It is released under the GNU General Public License.