I really liked the blaster created by Grimm industries so I decided to model up my own with a little more details, more scale flash end and removable panels for putting in electronics.
This model is designed to use the following parts:
Magnets from amazon:
FINDMAG Premium Pack 50 Brushed Nickel Pawn Style Magnetic Push Pins,Perfect to use as Fridge Magnets, Office Magnets, Dry Erase Board Magnetic pins, Whiteboard, Map Pins
Trigger switch from amazon
5 x 10mm Red Square Wired Car Horn Momentary Push Button Switch AC 250V 3A