Thanks for all the suggestions! I tried the bulb in the freezer but it didn't work, tried the putting it in the freezer for various lengths of time but it just worked as normal unfortunatly.
On with the more volatile ones now!!!
When working as a mechanic we used to make oxy acetylene explosions... fill a large tub with oxy acetylene mixture put an automotive fuse with a long lead under the cap and screw on cap. Connect the wires to a battery... what a bang the used to go with!!!