Make a Working Mechanical Loom Made with Lego!
This is spectacular and it really works!
Lego Small Mechanical Loom By Nico71
This incredible project is from Nico71, who generously offers a very detailed explanation of how he built his working loom AND he even has 96 page instruction booklet for the very low price of €10.
Hat tips: Knitting Relay and the San Diego Creative Knitter’s Guild