A set of three negatives of the viewmaster 3D film viewer in the 1980s

VIEWMASTER was first used to identify enemy weapons for World War II US military training. Later, for the sake of marketing, it was positioned as a toy. Before the 3D movie, there were many children watching movies in the United States. In addition to cartoons, these 3D films have many world-wide landscape introductions. Movie albums. Science life.... The 1939 invention has been in existence for more than 70 years. This thing is really historical, and it can really be passed down from generation to generation so that the next generation can also come into contact with this good invention. This is a set of three sets of viewmaster 3D stereoscopic film negatives in the 80s. Most of the current market is out of print This price is a set price Please pick your favorite directly from the internet. Another organic sale https://www.pinkoi.com/product/1sWJy_Bf https://www.pinkoi.com/product/1l0ONinK https://www.pinkoi.com/product/1sUEgVh3 https://www.pinkoi.com/product/1VdXsZ5_ Origin / manufacturing methods United States