How many pieces does the LEGO Aliya's Baby Sister's Playroom (42645-1) have?

The LEGO Aliya's Baby Sister's Playroom set (42645-1) contains 125 pieces. It was released in 2025 as part of the LEGO Friends theme.

How can I find missing parts for LEGO set 42645-1?

On BrickMissing you can check which parts from the LEGO Aliya's Baby Sister's Playroom (42645-1) you already own. Add your LEGO collection and we'll show exactly which of the 125 pieces you're missing and which you already have.

Can I build the LEGO Aliya's Baby Sister's Playroom with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 125 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Aliya's Baby Sister's Playroom from?

The LEGO Aliya's Baby Sister's Playroom (42645-1) belongs to the LEGO Friends theme. You can browse all Friends sets on BrickMissing to find more sets from this theme.

Aliya's Baby Sister's Playroom

42645-1 Friends 2025 125 parts 7% catalog rarity Intermediate

Witness moments of friendship and care with the LEGO Friends Aliya's Baby Sister's Playroom (42645), a 125-piece set. Aliya and Liann look after Aliya's baby sister, Amalia, in her playroom. The scene includes a feeding table with a clever flip function, designed to show the mess of baby mealtimes. Amalia has a crib for naps and a play area featuring a slide, a playmat, a ball pit, and a rocking duck ride. A plushie-style LEGO piece decorates the space. For outings, the friends use Amalia's baby stroller, engaging with interactive elements like the table's precise flip mechanism.

42645-1

3D build progress

Loading 3D model

Parts Inventory

🧱 125 parts

Showing the first 12 rows of the parts list (125 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Unknown	1×	Check price → View
Bright Pink	1×	€0,13 View at LEGO → View
Red	1×	€0,29 View at LEGO → View
Yellow	1×	€0,10 View at LEGO → View
Yellow	1×	€0,16 View at LEGO → View
Dark Azure	1×	€0,13 View at LEGO → View
Red	1×	€0,06 View at LEGO → View
Bright Green	1×	€0,06 View at LEGO → View
White	1×	€0,52 View at LEGO → View
Bright Green	1×	€0,07 View at LEGO → View
Light Aqua	1×	€0,18 View at LEGO → View
White	4×	€0,06 View at LEGO → View

I already have an account

Catalog rarity

How common are the parts in Aliya's Baby Sister's Playroom?

7%Moderate rarity

more commonless common

6 of 86 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

6.1%

All sets

6.7%

Least common in our catalog

Sticker Sheet for Set 42645-1 · Unknown · only this set in our catalogMinidoll Baby Body · Medium Nougat · only this set in our catalogPillow Plush Toy · Bright Light Orange · only this set in our catalog

How we calculate this →