All plastic part should be replaceable, and you should be able to either buy them from the constructor, or have the plans available once you can't. At least in

All plastic part should be replaceable, and you should be able to either buy them from the constructor, or have the plans available once you can't. At least in Europe, probably before 2030. That was in the Boost4.0 consortium document I had to read around 2019. I don't know if the law is pending or in application yet, but EU manufacturing sector know it's coming.