Uploaded March 2018 | Updated September 2026, 3 weeks ago

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My entry for the Mumbo's Self Building Redstone Contraption Challenge! It's a self building 4x4 vault door and the door itself is built only using observers and fence gates :D

Make sure to join my discord group! discord.gg/NmDJPyp

World Download: mediafire.com/file/dg935uzlz2bv7v5/4x4_Self_Building_Vault_Door.zip
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Intro music by Tobu
youtube.com/tobuofficial

Outro music "Force" by Alan Walker / NCS
youtube.com/watch?v=xshEZzpS4CQ

Alan Walker
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