How to Build a House Eater Worm in Minecraft
Construct an automated Redstone flying machine worm that uses slime blocks, honey blocks, and TNT dupers to consume structures in Minecraft.
This guide shows how to build a house eater worm in minecraft in 45-60 minutes. Start with construct the primary engine core; follow the safety notes and step checkpoints below.
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- Read the tools, materials, safety notes, and steps below for free.
- Tap See 20-second demo if you want to understand it first.
- Tap Start Camera Coach when you want hands-free help, or Voice-only if you do not want to use the camera.
- Allow camera and microphone. Point your phone at the work; the coach watches your progress and tells you the next step.
🧰 Required Tools & Equipment
- ✓ Pickaxe
- ✓ Flint and Steel
- ✓ Scaffolding
- ✓ Lead
📦 Materials & Supplies
- ✓ Slime Blocks
- ✓ Honey Blocks
- ✓ Sticky Pistons
- ✓ Regular Pistons
- ✓ Observers
- ✓ TNT
- ✓ Dead Coral Fans
- ✓ Detector Rails
⚠️ Safety Checkpoints & Warnings
- • Backup the Minecraft world before activating automated Redstone flying machines.
- • Verify no TNT dupers trigger prematurely while standing in blast range.
📋 Step-by-Step Guide (5 Steps)
Construct the Primary Engine Core
Build an alternating slime and honey block flying engine facing your target. Place two observers facing backwards into two sticky pistons facing forward. Ensure the slime and honey segments do not stick together along adjacent faces.
- • Checkerboard pattern of slime and honey blocks with red observer output dots facing sticky piston heads.
- • Placing slime blocks directly adjacent to other slime blocks across moving segments, locking the engine.
Attach the TNT Duplication Modules
Mount an L-shaped slime block structure onto the front engine segment. Place a detector rail on the upper surface with a minecart on top, and attach a dead coral fan directly beneath the TNT block. Ensure the TNT is suspended adjacent to the moving slime structure.
- • Curved slime arm holding a dead coral fan with TNT resting directly above the coral fan support.
- • Placing live coral instead of dead coral, causing the duplication glitch to fail.
Extend the Worm Body Segments
Chain repeating honey and slime push-pull segments behind the engine to create an elongated worm silhouette. Alternate the sticky piston orientations to pull the rear modules forward in sequence. Use glazed terracotta blocks as temporary guides that will not stick to the machine.
- • Segmented multi-block tail aligned parallel along the flight axis behind the engine.
- • Exceeding the 12-block push limit on any single piston segment.
Build the Front Breaker Mandibles
Construct forward-facing slime pincers that catch and compress target blocks into the falling TNT blast radius. Place regular pistons driven by outer observers configured to trigger on collision with house walls. Ensure the push face directs loose blocks toward the center drop chute.
- • Wide V-shaped mandible arms flanking the front of the main duplication core.
- • Connecting mandible slime blocks directly to the central TNT module.
Install Activation and Launch Mechanism
Place a single trapdoor or note block at the trigger observer on the rear engine. Update the trigger to initiate the repeating flying machine sequence. Step back to observe continuous movement and timed TNT deployment.
- • Worm moves forward continuously, dropping duplicated TNT down into the target path.
- • Standing directly in the path of the flying machine during activation.
Credit: inspired by an original tutorial by Milo and Chip — watch the original on YouTube.
Don’t have everything?
- No Dead Coral Fan? Any dead tube, brain, bubble, fire, or horn coral fan variant