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Mermaid Roller Coaster Ride LEGO set box
LEGO Set

Mermaid Roller Coaster Ride

42703-1

Released: 2026 · Parts: 1,007 · Theme: Friends

Mermaid Roller Coaster Ride (42703-1) is a Friends LEGO set released in 2026 with 1,007 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 5 minifigures and 236 unique part types.

  • Read official LEGO build manuals on this page
  • Browse the full parts inventory
  • See every minifigure included in the set
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Market value

Estimated market value

Community marketplace data · updated 2 days ago

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New · Sold (6 mo.)

EUR 92.46

Range EUR 70.00–113.54

70 sold in last 6 months

Used · Sold (6 mo.)

EUR 80.58

Price history (2 snapshots)
Date Condition Avg. sold
2026-06-20 New 92.46
2026-06-20 Used 80.58

Estimates exclude VAT and reflect recent marketplace activity. Values change — use live listings when buying or selling.

Building instructions

2 official booklets — read on BrickID

Open on LEGO.com →
Book 1 of 2 · A4
Book 2 of 2 · A4

Book 1 of 2 · A4 Book 2 of 2 · A4

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Minifigures in Mermaid Roller Coaster Ride

Parts in this set

236 parts · page 1 of 5 · updating…