Envrionmentally friendly power sources will definitely ignite children's interests in science. Green science kits demonstrate the basic principles of electricity and mechanics in a safe, fun and imaginative way.

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.

Contains 4 filter sections, 4 filter plugs, round filter base, active carbon, sand, gravel, filter papers, 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.

Suitable for children age 8 years and over.