Clear gear toy with Kids can learn about mechanical concepts with the aid of gear designs in which the gears are visible inside. Increases kids' capacity for observation due to gear driving. intense shade. enhance the mental capacity of kids. It has a sensor (bump n go action) up front that modifies its course when it encounters an obstruction. Toy gear train with transparency Even bright and cool Great present idea; visual perception exercises to improve in color recognition; benefits younger children in developing hand-eye coordination; in the dark when multicolored flashes are in your room