Another attraction is being added to the Frozen Fenway festivities as a 20 foot "Monster Sled" will be constructed in center field for sledding on new years eve.The ramp which will run from the base of the green monster to the Red Sox bullpen will be built by Stackbox Structures out of Scarborough Maine. Tickets are being sold by the Mayors office in Boston which will allow individuals unlimited sledding, 30 minutes of skating on the ice rink, free cocoa for children, access to the dugouts and pictures with the World Series trophies.