The parts were $43 total and this laser, is BEAST!!
1. Altoids tin- $3
2. Laser module-$38 http://m.ebay.com/itm/110886777102?nav=SEARCH
4. Battery pack-0.91 http://m.ebay.com/itm/310496351139?nav=SEARCH
This is the instructional video: http://www.youtube.com/watch?v=Y7JavGjcb0Y this was made by styropyro and I credit him
Step 1: Tools
Step 2: How to Put It Together
Tie the 2 black wires together and cover with electrical tape if you can't solder. Then, drill a hole in the altoid tin for the module. Then drill another for the switch.
Step 3: Done!!
If you want to see the more descriptive instructions, watch the video,
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Thanks in advance!!