All
Showing 1 to 2 of 2
-
Save 17% DIY: How to Make Cheap Air Conditioning Earth Tubes: Do It Yourself Homemade Air Conditioner - Non-Electric Sustainable Design - Geothermal Energy - Passive Heating and Cooling
Sharon BuydensCurrent price €19.08Original price €22.99Current price €19.08Original price €22.99Save 17% -
Save 17% DIY: How to Build a Solar Water Distiller: Do It Yourself - Make a Solar Still to Purify H20 Without Electricity or Water Pressure
Sharon BuydensCurrent price €16.59Original price €19.99Current price €16.59Original price €19.99Save 17%
Sort by