Wind Trolley Wind Driving Force Windmill Car Model Physical Experiment DIY Science Educational KitA creative wind power experiment to help children learn the working theory of wind, also a good item for parent-child toy.Features:1. Happy and easy to learn2. Exercise your children practical ability3. Train your children observation capability,thinking and analytical skillsInstruction:1. Put the motor into holder, connector the motor with electrical wires of battery case.2. Fix the motor holder on the base panel, stick the battery case on panel with adhesive tapes.3. Install the vane, then put batteries into the case, turn the switch on, then you will find it starts to run.Note: Please connect the red and black wires as picture shown.Package Included:1 x Wind Driving Car Kit