Magna Doodle is a magnetic drawing toy, consisting of a drawing board, a magnetic stylus, and a few magnet shapes. Invented in 1974, over forty million units have been sold to date worldwide, under several brands, product names and variations
Clackers. These toys are now legendary. They started finding their way into the schoolyards in the early seventies and in 1971 were yanked from shelves because kids were suffering eye injuries when the fragile, glass-like balls were shattering from the violence of contact with their mates.