How To Build a LEGO Retractable Knife

In this video I show you how to build a LEGO knife that retracts right into the handle. They used this for movies to sell the stabbing effect.
Side note... DON’T stab people ok!!

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Please watch: "How to Build LEGO Among Us Task Game"
https://www.youtube.com/watch?v=wGybicBOwuM
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Видео How To Build a LEGO Retractable Knife канала Brick Science