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PLA from £6 inc. UK delivery on letter-sized prints. We slice, print on a calibrated Creality K2 / Bambu A1, QC and post.
This is a derivative of my original train http://www.thingiverse.com/thing:11101 This version has wheels that work on the standard wood tracks that are a fairly common kids toy. There is also a 3D printer version of these available here: http://www.thingiverse.com/thing:8805
This version also accepts Legos and Mega Blocks. You can just snap them onto the top and build whatever you want.
