A young person uses an electric device to open doors made of small sticks, while music is playing.
A guy touches a wire to a surface making a little wooden door open then close once the wire is removed.
A person electronically opens up hand build wooden doors, closes them, and then opens them again.
A person is creating a contraption that is a self opening door using electricity.
A person is using a electrical circuit to open wooden doors.
A person is testing a device that opens and closes a door to a toy-like contraption remotely.
Someone has created a simple model electronic door opening system using wooden slats and some wiring.
A person is using a mechanism to open a door on a homemade project.
A person uses a wired contraption to open and close two small compartment doors.
A man demonstrates how to use a circuit that opens and closes two miniature doors.