Helmet fans for your helmet. Below you will find everything you need to make them. It can all be found at radio shack. All prices are as of 06/17/03. Fan info thanks to Obi-Wan's jedi academy

12VDC Micro Fan $11.99 Catalog #: 273-240

SPST "Soft-Feel" Push On-Push Off Switch $2.59 Catalog #: 275-1565

Heavy-Duty 9V Snap Connectors $2.49 Catalog #: 270-324

9-Volt Battery Holder $0.99 Catalog #: 270-326

Snap-together ferrite Choke Core $4.99 Catalog #: 273-105

Split Tubing - 1/2" 5ft $4.69 Catalog #: 278-1624