Is the LEGO 9594-1 set still popular among collectors?

Yes, as a 2011 Mindstorms set, it holds value for collectors interested in early robotics and complex LEGO builds.

How many pieces are in the Green City Challenge Set?

The set number 9594-1 contains a total of 1356 pieces.

This specific set falls under the Mindstorms theme.

Name: LEGO Green City Challenge Set (9594-1)
Brand: LEGO

Mindstorms

Mindstorms · 2011

Theme · MindstormsPieces · 1356Set Number · 9594-1Year · 2011

Used

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New / Sealed

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Is the LEGO 9594-1 set still popular among collectors?: Yes, as a 2011 Mindstorms set, it holds value for collectors interested in early robotics and complex LEGO builds.
How many pieces are in the Green City Challenge Set?: The set number 9594-1 contains a total of 1356 pieces.
What theme does the LEGO 9594-1 belong to?: This specific set falls under the Mindstorms theme.