How do you spell Flower Valley Butterfly Dance?

The butterfly dance of science and technology model equipment ancient painting Qiyuan is spelled as follows:

1. First, open the box, take out all the parts and arrange them according to the numbers in the instructions.

2. Secondly, assemble the frame and main transmission parts according to the steps in the manual.

3. Then, install various other components, including wheels, gears and screws, on the rack in the specified way.

4. Then install the motor and connect the wires, install the battery box and connect the wires.

5. Finally, debug the mechanical model to see if it can run normally. If something is not smooth, it needs to be adjusted and corrected.