In the early 20th Century, electric humanoid robots were produced which could carry out simple operations, but they can only be regarded as toys.
首先，人們用齒輪、發條、彈簧…… 等裝置，造出了能夠動作的玩具機器人。廿世紀初期，又出現了電力操作的機器人。這些機器人，都具有「人型」：頭、軀幹和四肢，會做簡單的動作，但玩賞的價值多於實用，只能算一種玩具。