How rare are the LEGO Train Contact Bricks (27-2)?

As a 1977 set with only 2 pieces, these bricks are considered a specific, older piece from the Train theme.

What is the theme and year of this LEGO set?

This LEGO set is from the Train theme and was released in the year 1977.

This specific set, number 27-2, contains exactly 2 pieces.

Name: LEGO Train Contact Bricks (27-2)
Brand: LEGO

Train

Train · 1977

Theme · TrainPieces · 2Set Number · 27-2Year · 1977

Used

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New / Sealed

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How rare are the LEGO Train Contact Bricks (27-2)?: As a 1977 set with only 2 pieces, these bricks are considered a specific, older piece from the Train theme.
What is the theme and year of this LEGO set?: This LEGO set is from the Train theme and was released in the year 1977.
How many pieces are in the LEGO Train Contact Bricks (27-2)?: This specific set, number 27-2, contains exactly 2 pieces.