How rare is the 1977 Sp21-1 Service Packs set?

Being from 1977, this set is a vintage piece within the Service Packs theme.

How many pieces are included in Sp21-1?

The set Sp21-1 contains a total of 15 pieces.

The theme for this set is Service Packs.

Name: LEGO Propellers, Wheels and Rotors (Sp21-1)
Brand: LEGO

Service Packs

Service Packs · 1977

Theme · Service PacksPieces · 15Set Number · Sp21-1Year · 1977

Used

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New / Sealed

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How rare is the 1977 Sp21-1 Service Packs set?: Being from 1977, this set is a vintage piece within the Service Packs theme.
How many pieces are included in Sp21-1?: The set Sp21-1 contains a total of 15 pieces.
What is the theme of the LEGO Sp21-1 set?: The theme for this set is Service Packs.