Parts List:

Sonic screwdrive model /used a flashlight model

4 AAA batteries and a pack /mine had a built-in switch

E10 lamp base(for soldering iron)

Soldering iron head(must have built-in heating coil)

Soldering iron and solder

Wire

Screwdriver

Optional:

Crimping tool

Connectors

Switch (if not built into the sonic)