Anyone have any reccomendations on a doctor set for a 4 year old? He has a younger brother so I don't want something wilth a ton of small parts. Just the basics. He especially likes stethoscopes so I want to make sure whatever set we get has a really good one with sound (or is there a kit with a real working stethoscope?). Thermometer and medicine dropper are a plus. Also open to a vet set if it meets the above criteria.