Yes, the Dough Universe kits will work with all high salt content doughs (like the type included). This includes home made play doughs as well as some name brand varieties. As conductivity depends on the salt content of the dough, we cannot guarantee use with oil-based doughs. Plasticine, for example, is not conductive. Other doughs may be, but do check salt content to be sure.
In a pinch, you can always make your own dough! See our video for more: https://www.techwillsaveus.com/resources/how-to-make-electrodough-diy-electro-dough-kit/