LEGO 30720 Disney - Ariel and Flounder’s Birthday Music Fun - Disney Princess Building Instructions

LEGO 30720 Disney - Ariel and Flounder’s Birthday Music Fun - Disney Princess is a 2026 LEGO Disney set from the Disney Princess range focused on the LEGO model. The details table below lists 39 pieces, 1 minifigures, along with the set number, theme and year.

About this LEGO instruction page

Watch the step-by-step LEGO instructions video for LEGO 30720 Disney - Ariel and Flounder’s Birthday Music Fun - Disney Princess. You can pause between steps, follow the build order, and use the related instruction links below to find more sets from the same theme.