Halloween Universe
DIY AnimatronicsIntermediate

DIY ANIMATED COFFIN - Best HALLOWEEN Spooky Prop!!

by Monster Tutorials

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Difficulty
Intermediate
Length
11:03
Views
68,766
Published
Sep 2020

What this video covers

This tutorial walks through building a self-opening and self-closing animated coffin prop for Halloween. A slow-rotating electric motor drives the lid mechanism, and a motion sensor is integrated so the prop activates automatically when guests approach. The creator also references a companion foam coffin build tutorial for constructing the base prop itself. The result is an interactive, trigger-based yard scare suitable for greeting trick-or-treaters.

Key takeaways

  • A slow-rotating electric motor powers the automatic lid open-and-close action
  • A motion sensor hack allows the coffin to trigger only when someone walks nearby
  • The foam coffin body is covered in a separate linked tutorial, keeping this video focused on the animatronic mechanism
  • The build combines low-voltage electronics with a physical prop for an interactive yard effect

Who this is for

Home haunters and yard haunt builders who want an eye-catching, automatically triggered coffin prop without complex programming.

Materials mentioned

  • slow rotating electric motor
  • AC/DC adapter
  • foam coffin

⚠ Safety notes

Ensure all electrical connections are weatherproofed if used outdoors; secure the motor mount firmly to prevent the lid from slamming unexpectedly.

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