Help save the environment as you conduct interesting water purification experiments with this cool kit! Build a water filtration and desalination plant on your table top, disinfect water with solar power, and more! Included in this kit are 4 filter sections, 4 filter plugs, round filter base, 3 bags of active carbon, 3 bags of sand, 3 bags of gravel, 3 filter papers, funnel-shaped collector, small plastic cup, soft wax, fishing line, transparent tube, 2 transparent caps, a silver reflector card, black plastic cup, 2 metal washers and an experiment instructions guide with fun facts. Learn about clean water as you help the environment with this scientific kit!