New in the 1960s was the Viewmaster - a 3D slide viewer. One of

Viewmaster (or View-Master) model E bakelite 3D slide film reel viewer from the 1950s/60s - patent and manufacture details Stock Photo - Alamy

The race for space - Apollo mission toys and more at Woolworth's

Let's take a look at some Fantasyland View-Master slides from 1960's D

Vintage 1980s View Master 3D Toy in Red Viewmaster View Master 90s Toys Game Viewer Slides - Canada

The View-Master was introduced at the - Historic Geneva NY

Includes slides. Disney, Sesame Street, etc.

1960s Beige Sawyer's VIEW-MASTER Model G Vintage Standard Stereo Viewer & Slides

View-Master - The Strong National Museum of Play

The race for space - Apollo mission toys and more at Woolworth's

The View Master (1939 - 1997) : r/nostalgia