分析：
I know the place.
主语I 谓语know 宾语 place
i know the place which makes toys
which 引导定语从句,先行词是the place\
the place在定语从句中作主语,谓语是makes 宾语 toys

所以,the place 是主句的宾语,是宾语从句中的主语.