This is a train set for the "brio mini track set" (http://www.thingiverse.com/thing:925761).

NOT CAMPAYIBLE BY STANDARD BRIO/IKEA/TESCO TRACK!

Not printed parts (I got everything from ebay):

• magnets (5mm Sphere neodymium N35 D5mm magnet), one for the engine, one for the car.
• 5mm steam bearing balls (one for the car, one for the cargo)
• metal round rod axial bar 25mm x 2mm (two for the engine, two for the car axis, one I cut half for the cargo holder)