sentences:  Lockhart introduced on-ice entertainment during intermissions, which included racing model aircraft and bicycles around the arena.He also booked figure skating acts Shipstads & Johnson Ice Follies, and Winter Olympics multiple gold medalist Sonja Henie to perform at the Gardens.Lockhart later booked a grizzly bear from the circus which performed on roller skates, to entertain during the first period intermission of a game versus the Hershey Bears.