Build a small stove similar to a Tranger stove using two drinks cans, some cotton wool and a pin
Two drinks cans (must be the same) Scissors, wall pin, marker pen. Mentholated spirit
Mark and cut about 1 and half inches from the bottom of both cans. Put 3-4 cotton balls in one can and insert the second can inside the other. Make 16 holes around the outer lip and 4 holes in the centre for filling (Youtube POP Cans for video instructions.