LEGO 42703 Friends - Mermaid Roller Coaster Ride Building Instructions

LEGO 42703 Friends - Mermaid Roller Coaster Ride is a 2026 LEGO Friends set focused on the LEGO model. The details table below lists 864 pieces, along with the set number, theme and year.

About this LEGO instruction page

Watch the step-by-step LEGO instructions video for LEGO 42703 Friends - Mermaid Roller Coaster Ride. You can pause between steps, follow the build order, and use the related instruction links below to find more sets from the same theme.