Set Details
- Set Number
- 6852
- Name
- Sonar Security
- Theme
- Space
- Year
- 1993
- Pieces
- 61
- Complexity
- Quick
- Build Time
- 20-45 minutes
- Ages
- 6+
- Type
- Play-focused
About LEGO Sonar Security
LEGO Sonar Security (set #6852) is a quick, accessible build with 61 pieces from the Space theme, released in 1993. The Space line features spacecraft, moon bases, and interstellar exploration. This is a quick-level build suitable for ages 6+, with an estimated build time of 20-45 minutes. This set dates from the 1990s, a turbulent decade when LEGO launched Star Wars and Mindstorms while navigating financial difficulties.
Set Highlights
- 61 pieces at quick complexity — a 20-45 minutes build.
- Compatible with all standard LEGO sets — bricks extend naturally into other sets you own.
- Play-focused build with interactive elements designed for 6+ builders.
- Vintage 1993 release — increasingly rare in complete, unplayed condition.
Who Is This Set For?
Gift for Ages 6+
The quick difficulty makes this accessible without being trivial — a well-matched gift for LEGO fans in the 6+ age range.
Weekend Build Project
61 pieces with an estimated 20-45 minutes 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
Check the piece count on the bag against the parts list before starting — knowing what you have prevents mid-build surprises.
Even in small sets, connection order matters. Follow the steps rather than building sections independently.
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.
Vintage sets may show slight color variation from modern LEGO due to different ABS formulas. This is normal and part of the set's character, not a defect.
Finding Instructions
Building instructions for LEGO Sonar Security (#6852) 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.
Sonar Security FAQ
Related Reading
More Space Sets
See all Space →
Also Released in 1993
All 1993 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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