This was the motor used
https://www.ebay.co.uk/itm/DC-12V-100RPM-N20-Mini-Gear-Motor-Miniature-High-Torque-Gear-Box-Motor-Wheel/252351562996?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
The hole on the windmill faceplate was drilled to 3.2mm so free running for shaft
Motor was glued onto the inside of the faceplate
The hole into the first sail support Rod was drilled to 3mm so was nice tight fit
Flickering led long leg fitted to blue wire with a 1k resistor
Short leg fitted to white wire