Abstract: A motor driven paint mixer which is designed to prevent accidental and/or unintentional actuation is disclosed. The paint mixer comprises a two speed electric motor having a motor shaft, a detachable extension shaft mechanically coupled at one end to the motor shaft and having paint mixing elements at the other end thereof, a support assembly for supporting the electric motor on one side of a paint can, a power supply cord for connecting the electric motor to an electrical power source and a control box mechanically mounted on the electric motor and electrically interposed in the power supply cord connected to the electric motor. The control box includes a double throw double pole toggle switch having two on positions and a center off position and a relay.