You can build your own copy once you have all the parts in the parts list.

This model is on and you can use their features to find out which parts you don't already have, as well as where to purchase them.

To see where to purchase all the parts, simply go to the rebrickable page for this model and use the functionality for either creating a wish list on BrickOwl, on BrickLink, or use the "Multi-Buy" feature which is able to search in both BrickOwl, BrickLink and independent stores.

If you already have LEGO sets and spare parts, then you can get an overview of the parts you need by creating an account on rebrickable and type in all the sets and spare parts you have available. Once you have done this you shoud go to the rebrickable page for this model and click the button. This will lead you to a page where you can see the additional parts you need. From here you can press the button to see where to purchase these parts.