Anatomical models : around the world there is a growning number (however still too few) of people creating realistic models of the vulva and clitoris - check out the below sites. 

SEX ED + 

https://positivesexed.org/en/home/

https://anatomicaleducation.bigcartel.com ( sells anatomoical clitoris) 

Vielma - material for sex education professionals.

https://www.vielma.at/home_eng.html

https://shop.mona.net.au/products/soaps