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. It will work in the following models: Shelti Breakout, Slapshot, and Thunderdome; Performance Games Iceboxx and Iceboxx Deluxe; Holland Bar Stool All NHL and NCAA models.