The Etch-a-Sketch drawing toy has been popular with several generations of children -- and it's a pretty amazing device. We cracked one open to see what was inside.
Etch A Sketch 1962 Patent Print - Magic Posters
How Does An Etch A Sketch Work, Anyway?
How an Etch-A-Sketch Works
Etch A Sketch sold to Canadian firm after nearly 50 years of US production, Toys
Ohio's own 'Etch A Sketch' sold to Toronto toy firm
Etch A Sketch The Vintage Toy Advertiser
thinking inside the box - Betz White
Automated Etch-a-Sketch Re-Produces Famous Artwork
Etch A Sketch - The Strong National Museum of Play