Green 200 Mw Bruning Laser Diy

This was a ezey bluild, useing a cheap flash light. yes  it pops ballons  host.http://www.dealextreme.com/details.dx/sku.26891~r.87047508
then a 200 mw green laser http://www.dealextreme.com/details.dx/sku.15969~r.87047508
and a cr123 rechagable battery