A device to measure the change in heat.
It consists of two vessels: internal (diameter 6.5 cm) and external (diameter 10.5 cm) which are separated by a cuff made of plastic and insulation in the form of styrofoam.
There is a plastic cover with a heating coil and two standard sockets for electrical connections (6V).
The cover is equipped with a stirrer and an opening with a rubber stopper for setting a thermometer or temperature sensor (not included).
Dimensions: diameter 10 cm, height 14.5 cm.
Material: plastic, metal.
Suitable for children over 14 years of age. 
