Help to save the environment! Learn the science of cleaning and reusing dirty water by conducting interesting water purification experiments. Build your own water filtration and desalination plant at your table top, disinfect water with solar power, and more! Excellent as a science project or as a small gift.
Contains: 4 filter sections, 4 filter plugs, round filter base, 3 bags of active carbon, 3 bags of sand, 3 bags of gravel, 3 filter paper, funnel-shaped collector, small plastic cup, soft wax, fishing line, transparent tube, 2 transparent caps, silver reflector card, black plastic cup, 2 metal washers, and experiment instruction guide with fun facts.
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