Heat only Thermal Mixer II, has a large intuitive touch screen, interchangeable auto-recognized blocks to fit most laboratory consumables, multiple modes for increased process performance, 23 x 33 x 13.5cm, Capacity 0.5ml-50ml tubes, Operation Temperature Range 10-C to 30-C
KidWind Solar Thermal Exploration Kit, modeled after a domestic solar water-heating system. Explore variables such as box color, light intensity, tube design, rate of water pumping, and amount of time it takes to heat the water