LEGO 895 Wind-Up Motor Set Parts Inventory and Instructions - LEGO Reference Guide
Really impressed how this 40 year lego set suggests combining with a wind up car to make a spinning windmill. Was this kind of thing done a lot in those days? :
Vintage Lego 890-1 Wind-Up Clockwork Yellow Motor Car Red Key Works Great | #3840736378
BrickLink - Set 890-1 : LEGO Windup Motor [Universal Building Set:Supplemental] - BrickLink Reference Catalog
LEGO 890-1 Wind-Up Motor Set Parts Inventory and Instructions - LEGO Reference Guide