Is your puck getting stuck as it rolls down to the face off area? Did you lose it? If so, you need a new puck. This puck is the official replacement for Performance Games and Shelti brand bubble hockey games. Also known as dome hockey or rod hockey. Works in the following models: Shelti: Breakout, Slapshot, and Thunderdome. Performance Games: Iceboxx and Iceboxx Deluxe. Holland Bar Stool: Compatible with All NHL models and Compatible with all NCAA models.