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Generally for this sort of thing the recommendation is a "light machine oil" (the wording from the Hornby Maintenance sheets). These are "non-penetrating" and so won't damage the plastics which might happen with 3-in-1 or WD-40 style oils. This can often be found as "Sewing Machine Oil". Fleischmann (a model railway brand) sell ...


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Petroleum based lubricants you need to be careful with, since they can act as solvents. Zhaph mentioned non-penetrating machine oil, this sounds like a safe bet. If you are in doubt, grab a gnawed brick and submerge it in a sample for a few days and see what happens before putting it on your precious train parts. Science! Second hand info: I have heard that ...


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While this question was asked in 2012, in late 2018 there was a flurry of inflammatory headlines and blog posts on the topic. The origin of these is a January 2018 study “Concentrations and Migratabilities of Hazardous Elements in Second-Hand Children’s Plastic toys”, in the scientific journal Environmental Science & Technology, by Andrew Turner, open ...


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