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Fun educational card packed with fascinating kidney facts
1 waterproof polyester shower curtain with the full periodic table
Poster with planetary facts and construction guide in Swedish
meteor showers
radiometer solar system Fun educational card packed withWatch Light Turn into Motion with the Solar Radiometer! Invented in 1873, this beautiful glass Radiometer transforms light into gentle movement. When exposed to sunlight or a lamp, the vanes spin inside their vacuum sealed globe, illustrating the conversion of light into kinetic energy. Each of the four vanes has a black side and a white side, causing them to rotate as photons strike them. A mesmerizing fusion of physics, history, and aesthetics, this
US$ 1495.00
US$ 199.50
US$ 4994.50
