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How to build a burning laser without any soldering, and best of all, in an Altoids tin! This is probably the easiest burning laser one can make, and it doesn't cost much either. Parts list: 200mW rated laser module: ~ Switch and Battery Pack: RadioShack, various electronics stores Altoids Tin: Be creative Some rules regarding these lasers: You cannot EVER use this laser indoors without goggles. Looking at the dot up close WILL give you PERMANENT re
