1990 Big Bird Sister 3D viewmaster

VIEWMASTER was first used to train and identify enemy weapons for World War II Americans. Later, it was positioned as a toy for the sake of marketing. Before there was no 3D movie, children in the United States used to have such a movie watching machine. In addition to the cartoons, these 3D films have many landscape introductions around the world. Movie albums, scientific life, etc. 1939 has been invented for more than 70 years. This thing is really historic, and it can be passed down from generation to generation so that the next generation can also come into contact with this good invention. Buy machines have sent a slide to Europe! Other slides can be purchased by asking Thank you Origin / manufacturing methods USA