Is this set rare since it's an older promo?

Yes, as a 2005 Korean Duracell promo package, this set is a specific collectible item within the Star Wars theme.

How many pieces are in the Jedi Starfighter set?

The LEGO Jedi Starfighter set, number 6966-2, contains 38 pieces.

This item belongs to the Star Wars theme and was released in 2005.

Name: LEGO Jedi Starfighter - Mini - Korean Duracell promo package with 8 AA batteries (6966-2)
Brand: LEGO

Star Wars

Star Wars · 2005

Theme · Star WarsPieces · 38Set Number · 6966-2Year · 2005

Used

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New / Sealed

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Is this set rare since it's an older promo?: Yes, as a 2005 Korean Duracell promo package, this set is a specific collectible item within the Star Wars theme.
How many pieces are in the Jedi Starfighter set?: The LEGO Jedi Starfighter set, number 6966-2, contains 38 pieces.
What is the theme of this LEGO set?: This item belongs to the Star Wars theme and was released in 2005.