According to Official Guinness Records,
The largest raffle drum measures 2.89 m (9 ft 6 in) tall and 3.65 m (12 ft) wide and is made of plexiglass with a steel frame. The drum was made by the Calgary Exhibition and Stampede, Calgary, Alberta, Canada and measured on 25 May 2006.
For a complete list of 2006 records, please visit 2006 Guinness Records in Canada.