Hello,
HC ...

If I remember correctly, you are in the Benelux area. If you can get set 4085 at a good price, my advice would be to buy it. Especially since it is an exclusive limited edition.
However, if you can actually get ALL the parts to assemble a green container from DS, it is probably going to be expensive after you add on the price of 4126.
If you haven't already been to
Heather's wonderful PlaymoDB, click
HERE to see ALL the parts that you will need to assemble the green container.
For images of 4085 and 4126 ...
see attachments