Just bought one of these mini chess sets and it is pretty cool. It is made entirely from die cast metal with a sticker for the checkerboard. It is advertised as 1:12 scale but it is a better fit for 1:6. There are a lot of resellers on ebay but this is the cheapest atm.
https://www.ebay.com/itm/Dollhouse-Miniature-1-12-Toy-A-Set-Of-Metal-Chess-Set-Girls-Gift-Doll-AccessorJB/253694880711
https://www.ebay.com/itm/Dollhouse-Miniature-1-12-Toy-A-Set-Of-Metal-Chess-Set-Girls-Gift-Doll-AccessorJB/253694880711