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Set 77005 Knuckles vs. Dr. Eggman Egg Crusher Mech
Sonic The Hedgehog

Knuckles vs. Dr. Eggman Egg Crusher Mech

Set 77005 pits Knuckles against Dr Eggman's Egg Crusher Mech, recreating a confrontation straight out of the Sonic the Hedgehog games and films. With 350 pieces and 129 unique parts, it sits in the mid-size range and builds up over a single sitting. Two minifigures, Knuckles and Dr Eggman, bring the scene to life.

Set number
77005
Year
2025
Pieces
350
Minifigures
2
Theme
Sonic The Hedgehog
Different parts
129
What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 129

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Spare parts (17)

These extra parts come with the set in case one gets lost.

Minifigures 2

Alternative models

Fan models by Rebrickable users that you can build (mostly) from this set’s parts. Instructions are available from the designers.

View the idea at Rebrickable ↗

What can I build with it?

Description

A scene from the games

Sonic the Hedgehog fans will recognise the pairing straight away: Knuckles, guardian of the Chaos Emeralds, squaring off against Dr Eggman's armoured Egg Crusher Mech, a machine typical of Eggman's mechanical creations across the games and the recent films. The set turns that dynamic into a physical build rather than a single vehicle, giving both characters a stage to face off on. Two minifigures come included, so the scene works straight out of the box without needing extra sets to complete the story. It is a compact way to own a specific moment from the Sonic universe rather than a generic vehicle.

Building the mech

The model itself is built mostly in black and red, with dark bluish grey and light bluish grey filling in joints, armour plates and structural sections. That four-colour palette across 350 pieces gives the mech a heavy, mechanical look without needing printed detail everywhere. With 129 unique parts, there is more variety in the build than the piece count alone suggests, particularly around the crusher arm and the legs. The model is designed to be posed rather than left static, so the arm or grabber section can be moved into different attack positions once the build is finished.

Colours and the parts list

Every one of the 350 pieces is listed on this page, broken down by colour and part, which makes it easy to check what a specific black or dark bluish grey element looks like before building or replacing a lost piece. The main colours, black, red, dark bluish grey and light bluish grey, repeat across several other Sonic the Hedgehog sets from the same wave, so parts here can double up for custom mech builds later. At 129 unique parts, sorting stays manageable, which keeps the build approachable even for someone new to mechanical LEGO® models rather than simple vehicles.

Who this set suits

77005 suits Sonic the Hedgehog fans who want a scene rather than a single character on the shelf, and it works equally well as a weekend build with kids or a display piece for adult collectors. At 350 pieces it is not a huge commitment, but the moving crusher arm and two minifigures give it more play value than its size suggests. Anyone building a wider Sonic the Hedgehog display will find the black, red and grey palette sits comfortably next to other sets in the range, and the parts are handy for anyone experimenting with their own vehicle builds.

FAQ

How many pieces are in set 77005?
The Knuckles vs. Dr. Eggman Egg Crusher Mech set contains 350 pieces across 129 unique parts.
Which minifigures are included?
The set includes two minifigures, Knuckles and Dr Eggman, matching the confrontation scene from the Sonic the Hedgehog games.
What colours make up the model?
The mech is built mainly in black and red, with dark bluish grey and light bluish grey used for joints and structural details.

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