LEGO 42666 Cat Birthday Party Building Instructions

Friends • 2025

Instruction videos

LEGO 42666 set details

Set number	42666
Theme	Friends
Subtheme	Pets
Year	2025
Pieces	321
Minifigures	2

LEGO 42666 Cat Birthday Party is a 2025 LEGO Friends set from the Pets range focused on the LEGO model. The details table below lists 321 pieces, 2 minifigures, along with the set number, theme and year.

About this LEGO instruction page

Watch the step-by-step LEGO instructions video for LEGO 42666 Cat Birthday Party. You can pause between steps, follow the build order, and use the related instruction links below to find more sets from the same theme.

Continue building this set