How rare is the LEGO Technic 31-2 set?

This set is a vintage find from 1977, making it quite rare for Technic enthusiasts.

What is the theme of this LEGO set?

The LEGO Universal Joint / Connectors (31-2) belongs to the Technic theme.

This specific set contains 21 pieces.

Name: LEGO Universal Joint / Connectors (31-2)
Brand: LEGO

Technic

Technic · 1977

Theme · TechnicPieces · 21Set Number · 31-2Year · 1977

Used

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New / Sealed

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How rare is the LEGO Technic 31-2 set?: This set is a vintage find from 1977, making it quite rare for Technic enthusiasts.
What is the theme of this LEGO set?: The LEGO Universal Joint / Connectors (31-2) belongs to the Technic theme.
How many pieces are in the 1977 Technic 31-2 set?: This specific set contains 21 pieces.