Some spare parts can be ordered directly through the manufacturer's customer service:
ACME: https://www.acmericambi.it/ info@acmetreni.com
AIMX models: https://www.exbonzai.com/it/collections/aimx-part
HORNBY: bit.ly/Ricambi_Rivarossi customerservices.uk@hornby.com
OS.KAR: https://www.oskartrains.eu/it oskartrains@tiscali.it
ROCO: https://www.roco.cc/ren/spareparts
VITRAINS: https://www.vitrains.it/assistenza-clienti/#assistenza-post-vendita
Otherwise, write to info@tecnomodel-treni.it specifying the code of the article and the spare part itself (available on the exploded view of the model), and we will request availability and price from the manufacturer.
ATTENTION: It is not possible to request a spare part without specifying the code.