Is the LEGO 400-4 set rare for collectors?

Yes, this set is from 1963 and is part of the Supplemental theme, making it a sought-after vintage item.

How many pieces are in the LEGO Small Wheels set 400-4?

The set 400-4 contains a total of 12 pieces.

This set is categorized under the Supplemental theme.

Name: LEGO Small Wheels with Axles (System) (400-4)
Brand: LEGO

Supplemental

Supplemental · 1963

Theme · SupplementalPieces · 12Set Number · 400-4Year · 1963

Used

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New / Sealed

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Is the LEGO 400-4 set rare for collectors?: Yes, this set is from 1963 and is part of the Supplemental theme, making it a sought-after vintage item.
How many pieces are in the LEGO Small Wheels set 400-4?: The set 400-4 contains a total of 12 pieces.
What theme does the LEGO 400-4 belong to?: This set is categorized under the Supplemental theme.