Those who can order are all available, you can rest assured to order. Generally, there will be no missing parts for building blocks. If you encounter any problems during assembly, you can contact customer service at any time. We will solve the problems for you in time! This is a direct mail building block category. If you unpack the parts, it will affect the next sale. It cannot be returned. It is useless to return it. Please do not send the removed parts back forcibly! [Please do not order if you are not satisfied with the after-sales rules]]