PingPong++ (PingPongPlusPlus) builds on PingPongPlus (1998), a ping pong table that could sense ball hits, and reuse that data to control visualizations projected on the table. We have redesigned the system using open-source hardware and software platforms so that anyone in the world can build their own reactive table. We are exploring ways that people can customize their ping pong game experience. This kiosk allows players to create their own visualizations based on a set of templates. For more control of custom visualizations, we have released a software API based on the popular Processing language to enable users to write their own visualizations. We are always looking for collaborators! Visit pppp.media.mit.edu to learn more.