Thermite is hot enough to melt steels and iron, perhaps, but it isn't hot enough to melt the teeth of a small african child.(
TonyUNDERSCORE from the Internet, Wed 3 Jun 2009, 12:08,
archived)
Boiling iron wouldn't be far off, so you could do it with a little tinkering...(
L-Space - scientia sapientes vocat., Wed 3 Jun 2009, 12:14,
archived)