LEGO General Magmar's Siege Machine of Doom
Set #70321 · 2016 · 516 pieces · Substantial build
Set Details
- Set Number
- 70321
- Name
- General Magmar's Siege Machine of Doom
- Theme
- Nexo Knights
- Year
- 2016
- Pieces
- 516
- Complexity
- Substantial
- Build Time
- 2-4 hours
- Ages
- 10+
- Type
- Play-focused
About LEGO General Magmar's Siege Machine of Doom
LEGO General Magmar's Siege Machine of Doom (set #70321) is a large, detailed build with 516 pieces from the Nexo Knights theme, released in 2016. The Nexo Knights line features futuristic knights with digital shield powers and app integration. At 516 pieces, this is a substantial-level build with an estimated build time of 2-4 hours, suitable for ages 10+.
Set Highlights
- 516 pieces at substantial complexity — a 2-4 hours build.
- Compatible with all standard LEGO sets — bricks extend naturally into other sets you own.
- Play-focused build with interactive elements designed for 10+ builders.
Who Is This Set For?
Gift for Ages 10+
The substantial difficulty makes this accessible without being trivial — a well-matched gift for LEGO fans in the 10+ age range.
Weekend Build Project
516 pieces with an estimated 2-4 hours fits comfortably into a focused afternoon or weekend session.
Expanding a Nexo Knights Collection
A solid addition for collectors building out their Nexo Knights shelf. Introduces parts and builds that complement other sets from the same line.
Build Tips
A five-minute sort by color or piece type before starting saves time hunting for specific bricks mid-step.
Follow the numbered steps in sequence — structural elements early in the build support everything that comes after.
For active play sets, key connection points (hinges, turntables, clip joints) can loosen over time — a small dab of LEGO's own tube clutch lubricant on the stud resolves most looseness without damage.
Finding Instructions
Building instructions for LEGO General Magmar's Siege Machine of Doom (#70321) are available as a free PDF on LEGO.com. You can also upload a photo of this set to LegoFinder to identify it and access the instructions directly.
General Magmar's Siege Machine of Doom FAQ
Related Reading
More Nexo Knights Sets
See all Nexo Knights →
Also Released in 2016
All 2016 sets →Similar Build Difficulty
Sets at roughly the same piece count and complexity tier — different theme and year, but a similar build experience.
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