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