Make Your Own Cajon 11 3/4 W x 18 H x 11 3/4 D One of the most popular percussion instruments today is the Cajon and now with the new MEINL Cajon Kit you can build your own. The kit comes with all the parts and a list of the materials and tools you need. The instructions will guide you through this fun project and at the end you will be able to customize the finish of the instrument by adding oil a lacquer wax or paint it with an entirely unique design.