A Weird Chinese Sex Education Book for Children - WTF?!

A new course on sex education in China involves what some might consider some pretty graphic literature - especially for 1st graders (primary). Funny cartoons, witty dialogues, testicles that talk to one another, and cool-looking Mr Condoms wearing shades. I kinda wich my sex-ed classes were this open, though I was dissapointed to see the diagram of the vagina didn't include a label for the clitoris. Should kids not be taught how they can enjoy sex?