a user interface device for interfacing with a microprocessor driving a video display . the device is particularly adapted for the use of small children in interfacing with a microprocessor operating to drive a video game or a personal computer . the device comprises a hand puppet adapted to be worn on the user &# 39 ; s hand . pressure - sensitive switches , a light pen , a motion detector , and a speaker are included within the puppet &# 39 ; s head and body to allow input by the user through the devices within the puppet and output by the microprocessor at the puppet over the speaker .