Set Details
- Set Number
- 5521
- Name
- Sea Jet
- Theme
- Model Team
- Year
- 1993
- Pieces
- 401
- Complexity
- Substantial
- Build Time
- 2-4 hours
- Ages
- 10+
- Type
- Great for display
About LEGO Sea Jet
LEGO Sea Jet (set #5521) is a detailed build with 401 pieces from the Model Team theme, released in 1993. The Model Team line features large-scale detailed vehicle models for older builders. This is a substantial-level build suitable for ages 10+, with an estimated build time of 2-4 hours. This set dates from the 1990s, a turbulent decade when LEGO launched Star Wars and Mindstorms while navigating financial difficulties.
Set Highlights
- 401 pieces at substantial complexity — a 2-4 hours build.
- Compatible with all standard LEGO sets — bricks extend naturally into other sets you own.
- Display-focused design — the finished model holds together well on a shelf without support.
- Vintage 1993 release — increasingly rare in complete, unplayed condition.
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
401 pieces with an estimated 2-4 hours fits comfortably into a focused afternoon or weekend session.
Expanding a Model Team Collection
A solid addition for collectors building out their Model Team 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.
Once built, direct sunlight yellows ABS plastic over time. A display case or UV-filtered shelf glass keeps colors vibrant.
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 Sea Jet (#5521) 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.
Sea Jet FAQ
Related Reading
More Model Team Sets
See all Model Team →
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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