@builtnotbought92: We built a pocket-sized wood-burning pen using AA batteries, push pins, brass connectors, and a bent syringe needle. ​We did it by wiring the battery pack through a switch so the bent syringe needle instantly glows red-hot to burn custom designs into wood. #DIY #Tips #LifeHack #idea

Built Not Bought

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Region: GB

Tuesday 11 August 2026 18:05:33 GMT