To use this Barbie Baby Doctor Brunette Doll Playset, first take out Barbie and her baby doll patient. Dress Barbie in her pink heart - print scrub set. Place the baby on the examination table and use the accessories like the stethoscope to check the baby's health. You can also pretend to feed the baby with the baby bottle. Remember, the doll can't stand alone, so you might need to support it while playing. As for maintenance, keep the playset in a dry place and avoid rough handling to prevent the accessories from getting lost. If the playset gets dirty, you can gently wipe it with a damp cloth. This playset is suitable for kids aged 3 and up, so make sure younger kids are supervised during play.