LEGO Interface Card and Cable for TC Logo - IBM compatible
Set #9771 · 1989 · 3 pieces · Starter build

Set Details
- Set Number
- 9771
- Name
- Interface Card and Cable for TC Logo - IBM compatible
- Year
- 1989
- Pieces
- 3
- Complexity
- Starter
- Build Time
- 10-20 minutes
- Ages
- 4+
- Type
- Play-focused
About LEGO Interface Card and Cable for TC Logo - IBM compatible
LEGO Interface Card and Cable for TC Logo - IBM compatible (set #9771) is a small, compact build with 3 pieces from the Educational and Dacta theme, released in 1989. The Educational and Dacta line features classroom and learning-oriented kits for STEM education. This is a starter-level build suitable for ages 4+, with an estimated build time of 10-20 minutes. This set dates from the 1980s, widely considered LEGO's golden age of original themes.
Set Highlights
- 3 pieces at starter complexity — a 10-20 minutes build.
- Compatible with all standard LEGO sets — bricks extend naturally into other sets you own.
- Play-focused build with interactive elements designed for 4+ builders.
- Vintage 1989 release — increasingly rare in complete, unplayed condition.
Who Is This Set For?
Gift for Ages 4+
The starter difficulty makes this accessible without being trivial — a well-matched gift for LEGO fans in the 4+ age range.
Weekend Build Project
3 pieces with an estimated 10-20 minutes fits comfortably into a focused afternoon or weekend session.
Expanding a Educational and Dacta Collection
A solid addition for collectors building out their Educational and Dacta 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.
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
Instructions for older sets like #9771 (1989) may not always be available on LEGO.com. Try searching the set number directly, or upload a photo of the bricks to LegoFinder — the AI can identify vintage sets from their parts.
Interface Card and Cable for TC Logo - IBM compatible FAQ
Related Reading
More Educational and Dacta Sets
See all Educational and Dacta →Also Released in 1989
All 1989 sets →Need Instructions for Interface Card and Cable for TC Logo - IBM compatible?
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