Instruction on how to build a solar cooker using cardboard boxes and easily available materials: aluminum foil, stainless steel or aluminum pot, spray paint. And demonstration on cooking rice and noodles.
Materials cost for the demo solar cooker (Douglas Dy’s cooker):
Box and newspaper: free
Aluminum foil + glue: P5.00
Stainless steel pot: P88.00 (from Japan Home)
Spray paint: P105 (good for at least 10 pots). ~P 10.50
Black cartolina: P16.00
String and mineral water bottles: free
Rack: using wire: P 5.00
TOTAL P124.50
Post time: Jan-24-2017