This is the real toys that i found in the toy shop. This is a girl sit on the car. And the key is on the right hand sight of the girl. After the key is rotated the clockwork inside the doll will get energy and the legs drive the car move forward.
This photo show that how many parts the doll have. And also show how the clockwork help the legs move.
This is a photo take from the back sight of the doll. We can see that the legs is connect the wheel and the clockwork.
This is the sketch of the car, i have study the different about the two legs. I found that if we want to make the car is work, we have to set the angle different be 90. And also the sharp of the clockwork connect to the legs is semi-circle. This can help the two object connect together better.
This is another sketch of the doll car, i can find that how the clockwork, gear and key connect together. And also the gear inside, mainly there are three gear connect together to help the car move.
This the sketch of the keys.
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