Is the LEGO Life on Mars Accessories (3750-1) still collectible?

Yes, as a 2001 Service Pack, it is a specific accessory piece for the LEGO Life on Mars theme.

How many pieces are in set 3750-1?

Set 3750-1 contains a total of 48 pieces.

This accessory pack belongs to the LEGO Life on Mars theme.

Name: LEGO Life on Mars Accessories (3750-1)
Brand: LEGO

Service Packs

Service Packs · 2001

Theme · Service PacksPieces · 48Set Number · 3750-1Year · 2001

Used

—

New / Sealed

—

Live on eBay now

Converted from USD at the ECB reference rate — sold comps are US-market sales.

JunkPal AI· resale insightanalyzing sold comps…

▍

Is the LEGO Life on Mars Accessories (3750-1) still collectible?: Yes, as a 2001 Service Pack, it is a specific accessory piece for the LEGO Life on Mars theme.
How many pieces are in set 3750-1?: Set 3750-1 contains a total of 48 pieces.
What theme does this accessory pack belong to?: This accessory pack belongs to the LEGO Life on Mars theme.