Is the LEGO 5039-1 Monorail Stop/Reverse Switch still in high demand?

Yes, as a specific Service Packs component from 1987, it is sought after by dedicated LEGO collectors.

How many pieces are included in the 5039-1 set?

The set number 5039-1 contains exactly 3 pieces.

This item is part of the LEGO Service Packs theme.

Name: LEGO Monorail Stop / Reverse Switch (5039-1)
Brand: LEGO

Service Packs

Service Packs · 1987

Theme · Service PacksPieces · 3Set Number · 5039-1Year · 1987

Used

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New / Sealed

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Is the LEGO 5039-1 Monorail Stop/Reverse Switch still in high demand?: Yes, as a specific Service Packs component from 1987, it is sought after by dedicated LEGO collectors.
How many pieces are included in the 5039-1 set?: The set number 5039-1 contains exactly 3 pieces.
What theme does this specific LEGO piece belong to?: This item is part of the LEGO Service Packs theme.