Learn the science of cleaning and reusing dirty water by conducting interesting water purification experiments. Contains 4 filter sections, 4 filter plugs, round filter base, active carbon, sand, gravel, filter papers, funnelshaped 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.
|Delivery & Returns
Estimated delivery date: 19th - 26th Mar
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We hope you will be thrilled with your purchases but in the unlikely event that you want to return something, you can find full return instructions on the back of your delivery note or click here