The Marvelous Wondergraph was in production until 1930. Similar drawing toys appeared on the market, then in mid-century, along came Spirograph, capturing imaginations of artists, young and old.

André Cassagnes, the French electrician who invented the drawing toy in 1959, was on to the magic theme from the start, and when the Ohio Art Co. improved and marketed his design a year later ...

Science Museum Oklahoma’s popular Mitchel Wu toy photography exhibit closes Sunday, making way for a new September art installation.