There are various kinds of minis - all plastic sets are durable. There are no neck strings or loose limbs to worry about.
Fisher Price Loving Family has both a Caucasian and African American family set. These are great, no need to buy separate members - everyone's included!
Li'l Ones are 5" miniature plastic versions of the popular Ty Girlz. The Li'l Ones are small enough to be carried in a book bag, purse, lunch box or shirt pocket. Eight different dolls, also included a miniature, plastic pet.
These are adorable and would make great little sisters to both AG and Gotz minis. Each are prices under $8.