Is this a rare LEGO set?

No, this is a 2024 release with a standard piece count of 19.

What is the theme of this set?

The theme is Activity Books with LEGO Parts, perfect for summer play.

This LEGO City set contains 19 pieces.

Name: LEGO City: Splash into Summer (9781837250059-1)
Brand: LEGO

Activity Books with LEGO Parts

Activity Books with LEGO Parts · 2024

Theme · Activity Books with LEGO PartsPieces · 19Set Number · 9781837250059-1Year · 2024

Used

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New / Sealed

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Is this a rare LEGO set?: No, this is a 2024 release with a standard piece count of 19.
What is the theme of this set?: The theme is Activity Books with LEGO Parts, perfect for summer play.
How many pieces are included in this set?: This LEGO City set contains 19 pieces.