The ingeniously simple design uses one pizza box. The Solar Oven is what is more widely known as a solar cooker and works on the principle of converting sunlight to heat energy and retaining the heat for cooking. To make the process work, you cover as much of the box as possible with reflective material in order to catch as much sunlight as possible. In this case, you are using tin foil. The cooking surface is black construction paper because it retains heat very well… Watch the video below...
Materials: Pizza box / Two clear sheet protectors / Black construction paper / Duct tape / Clear masking or packing tape / Box knife / Scissors / Thermometer (optional) / Wooden skewer / Glue stick (Elmer’s glue will work, too) / Tin foil / Ruler / Pen