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LEGO Earth Defense HQ

Set #7066 · 2011 · 879 pieces · Advanced build

LEGO Earth Defense HQ set 7066 instructions

Set Details

Set Number
7066
Name
Earth Defense HQ
Theme
Space
Year
2011
Pieces
879
Complexity
Advanced
Build Time
4-8 hours
Ages
14+
Type
Both play and display
LF
LegoFinder Editorial Team·Set data verified 2026·How we research sets

About LEGO Earth Defense HQ

LEGO Earth Defense HQ (set #7066) is a large, detailed build with 879 pieces from the Space theme, released in 2011. The Space line features spacecraft, moon bases, and interstellar exploration. At 879 pieces, this is a advanced-level build with an estimated build time of 4-8 hours, suitable for ages 14+.

Set Highlights

  • 879 pieces at advanced complexity — a 4-8 hours build.
  • Compatible with all standard LEGO sets — bricks extend naturally into other sets you own.
  • Versatile build — display-worthy when complete, durable enough for active play.

Who Is This Set For?

Gift for Ages 14+

The advanced difficulty makes this accessible without being trivial — a well-matched gift for LEGO fans in the 14+ age range.

Weekend Build Project

879 pieces with an estimated 4-8 hours fits comfortably into a focused afternoon or weekend session.

Expanding a Space Collection

A solid addition for collectors building out their Space shelf. Introduces parts and builds that complement other sets from the same line.

Build Tips

1

A five-minute sort by color or piece type before starting saves time hunting for specific bricks mid-step.

2

Follow the numbered steps in sequence — structural elements early in the build support everything that comes after.

3

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 Earth Defense HQ (#7066) 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.

Earth Defense HQ FAQ

Related Reading

More Space Sets

See all Space

Also Released in 2011

All 2011 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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