General Tour Expo 67- ViewMaster Reels 3D - from the 1960s 3 reel ViewMaster set -1960s views of the pavilions of Expo '67 You will need a ViewMaster viewer to view the reels - available here on Amazon. Compilation 3reel set from the 1967 Expo '67 venues: Canadian Pavilion -- Habitat '67 -- Man in the Community -- The Gyrotron Ride -- Night Panoramas, and more