Model Human Female Asian Skull, include a flat nasal root, an obtuse nasal angle, a somewhat rounded dental arcade in the upper jaw, mild to moderate prognathism and shovel-like incisors in the upper jaw, Size: 19.4L x 12.9W X 17.3H (cm)
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