soft plastic manequinne hands would work.
My Samantha and Emily (soft plastic manequins) are both retired to the loft but still they come under the Shamus Accord of any girl who enters here is safe and secure for life.
Maybe try something like one of these :
https://www.ebay.co.uk/sch/i.html?_o...hands&_sacat=0
As for feet, probably boots would be your best bet rather than actual appendages. But, again, if you are determined then there are options :
https://www.ebay.co.uk/sch/i.html?_o...+feet&_sacat=0
HTH,
Shamus.