It is possible to activate a ticket by clicking on the following link:
https://www.clementoni.com/en/form/
Please select “Request Type – Puzzle Lost Pieces” and specify the Batch Number, example: ODLA200011223344
Do you not find the Batch Number?
The Batch Number is placed can be found inside the box, in the inner side of the bottom as shown in this image.
If you are having difficulty activating the support ticket, we recommend that you consult this video-guide.