Vintage Tupperware canister set and a cake holder - Lil Dusty Online Auctions - All Estate Services, LLC
Tupperware 10-piece Heritage Canister Set - 22337043 | HSN
Vintage Apple Green Tupperware Canisters Set of 3 - Etsy
Vtg mid Century Avocado Green Tupperware Servalier Canisters set of 3
4 connected Tupperware canisters, largest is about 3 inches tall, with clear plastic windows at the base of each. The blue lids can be opened, but they cannot be separated. : r/whatisthisthing