I have one yougurt maker for sale its home made by me for sale to the needy who like it it has thermostatically controlled 200 watt heater in side you can set any temperature on the thermostat to make yougurt of your desired thickness it has acentigrate scale you can convert it right way filling in google to farnheit the good temp for yougurt making is from 100 to 130 degree farnheit Insulated box you can make yougurt fron 1 KG to 5 kg in the pot provided reasonable offers will be accepted do not have any moveable parts so no wear and tear