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•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.

Parts Inventory

🧱 125 parts

Part	Color	Qty
Sticker Sheet for Set 42645-1 10110444	Unknown	1×
Tile Round 1 x 2 1126	Bright Pink	1×
Hat / Cap Short Curved Bill with Seams and Hole on Top 11303	Red	1×
Plate Special 1 x 2 with Pin Hole on Top 11458	Yellow	1×
Slope Curved 4 x 1 Inverted 13547	Yellow	1×
Brick 1 x 1 x 3 14716	Dark Azure	1×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573	Red	1×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573	Bright Green	1×
Tile 4 x 4 1751	White	1×
Plate Special Round 2 x 2 with Center Stud (Jumper Plate) 18674	Bright Green	1×

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Brick 1 x 1 x 3	14716	Dark Azure	1×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	Red	1×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	Bright Green	1×
Tile 4 x 4	1751	White	1×
Plate Special Round 2 x 2 with Center Stud (Jumper Plate)	18674	Bright Green	1×
Equipment Baby Bottle with Handle	18855	Light Aqua	1×
Tile Special 1 x 2 Grille with Bottom Groove	2412b	White	4×
Slope Curved 3 x 2 No Studs	24309	Bright Green	1×
Tile 1 x 4 with Groove	2431	Bright Pink	1×
Wheel Skateboard / Trolley	2496	Bright Green	2×
Brick 1 x 2	3004	Dark Azure	1×
Brick 1 x 2	3004	Yellow	1×
Brick 1 x 1	3005	Dark Azure	1×
Brick 1 x 1	3005	Yellow	2×
Brick 1 x 6	3009	Yellow	2×
Plate 2 x 4	3020	White	1×
Plate 2 x 3	3021	Dark Azure	1×
Plate 2 x 2	3022	Orange	1×
Plate 1 x 2	3023	Dark Azure	1×
Plate 1 x 2	3023	Yellow	2×
Plate 1 x 2	3023	Orange	2×
Plate 1 x 2	3023	Lavender	1×
Plate 1 x 1	3024	Yellow	2×
Slope 45? 2 x 2	3039	Orange	1×
Slope 45° 2 x 1 with Bottom Pin	3040b	Dark Azure	1×
Tile 2 x 2 with Groove	3068b	Orange	1×
Tile 1 x 2 with Groove	3069b	Medium Azure	2×
Brick 1 x 2 x 2 with Inside Stud Holder	3245c	Yellow	1×
Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L	32828	White	1×
Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper)	34103	Orange	2×
Plate 1 x 8	3460	Yellow	1×
Fence Lattice 1 x 4 x 1	3633	White	1×
Brick Arch 1 x 4	3659	Yellow	1×
Bracket 1 x 1 - 1 x 1 Inverted	36840	Yellow	1×
Plate 1 x 4	3710	Medium Azure	1×
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	4032a	Lime	2×
Panel 4 x 4 x 3 Quarter Cylinder	4041	Trans-Light Blue	1×
Plate Special 1 x 4 with 2 Studs with Groove [New Underside]	41740	Yellow	2×
Technic Pin 1/2	4274	Light Bluish Gray	1×
Plant, Flower, Minifig Accessory with 7 Thick Petals and Pin, Center Ring	4367	Bright Green	1×
Pneumatic T-Piece (T Bar) [New Style]	4697b	White	1×
Brick Special 1 x 1 with Studs on 2 Sides	47905	Tan	1×
Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs	48092	Dark Azure	1×
Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs	49307	Yellow	3×
Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs	49307	Red	1×
Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs	49307	Orange	1×
Animal, Bird, Duck / Duckling with Orange Beak print	49661pr0004	Yellow	1×
Pram / Stroller	5491	Dark Azure	1×
Panel 1 x 4 x 3 [Side Supports / Hollow Studs]	60581	White	1×
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]	60897	Medium Azure	1×
Brick Curved 1 x 2 x 1 1/3 with Curved Top	6091	Yellow	1×
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]	61252	White	1×
Plate Round 1 x 1 with Solid Stud	6141	Orange	3×
Pillow Plush Toy with Black Stripes, Orange Eyes, White Chest print	6330pr0003	Bright Light Orange	1×
Brick Round Corner 3 x 3 x 1 No Studs	65617	Orange	4×
Tile 1 x 6 with Groove	6636	Medium Azure	1×
Headwear Accessory Hat with Small Pin, Cap	6913	Lime	1×
Plate Round Corner 5 x 5 with 4 x 4 Round Cutout	80015	Dark Azure	1×
Equipment Cutlery - Spoon, Flat Bottom	80179	Flat Silver	1×
Flag 2 x 2 Square, Flared Clip Edge [Thick Clips]	80326	White	1×
Panel 1 x 2 x 3 [Side Supports / Hollow Studs]	87544	Trans-Light Blue	1×
Plate Special 2 x 2 with Groove and Center Stud (Jumper)	87580	Bright Pink	1×
Plate 8 x 16	92438	Lavender	1×
Tile Round 1 x 1	98138	Bright Green	5×
Tile Round 1 x 1	98138	Medium Azure	4×
Tile Round 1 x 1	98138	Yellow	4×
Tile Round 1 x 1	98138	Bright Pink	4×
Tile Round 1 x 1 with Offset Black Eye Print	98138pr0008	White	4×
Handlebars with Angular Handles	98397	Light Bluish Gray	1×
Bracket 1 x 2 - 2 x 2 Inverted	99207	Orange	3×
Bracket 1 x 2 - 1 x 2 Inverted	99780	Yellow	2×
Hair Big Curly, Braids	2644	Dark Brown	1×
Minidoll Hips and Wide Pants with Nougat Feet, Lavender Sandals print	101117c01pr0002	Medium Azure	1×
Minidoll Head Black Eyebrows, Light Brown Eyes print	92198pr0338	Medium Brown	1×
Minidoll Torso Girl with Medium Brown Arms and Hands with Coral Top, White Sots, Medium Azure Belt print	92456c16pr0009	Medium Brown	1×
Minidoll Baby Body with Bright Light Yellow Body, Medium Nougat Hands pattern	111388pat0001	Medium Nougat	1×
Minidoll Baby Head with Lime Cap, Brown Eyes, Smirk print	6569pr0002	Medium Nougat	1×
Hair Long with Bun	2633	Black	1×
Minidoll Hips and Shorts with Warm Tan Legs, Coral Shoes, White Socks print [Thin Hinge]	36198c01pr0015	Bright Light Orange	1×
Minidoll Head with Black Eyebrows, Reddish Brown Eyes, Open Mouth Smile, Dark Orange Lips print	92198pr0010	Warm Tan	1×
Minidoll Torso Girl with Warm Tan Arms and Hands with White Shirt, Dark Pink Trim, Blue/Lime/Yellow Shapes print	92456c06pr0011	Warm Tan	1×

Build DNA

Parts inventory insights for Aliya's Baby Sister's Playroom

125 pieces puts this build -59% against the average Friends set and -80% against the average 2025 release.

LEGOFRIENDS

Vs average Friends set

-59%-181 parts

This set125

Average set306

Average Friends set: 306 pieces across 539 other sets.

Vs average 2025 set

-80%-513 parts

This set125

Average set638

Average 2025 set: 638 pieces across 561 other sets.

Color profile

22different colors

Dominant color

Yellow

Yellow28x

22%

Orange18x

14%

White16x

13%

Bright Green11x

Unique parts

1.7 pieces per unique type

Repeat factor

Average pieces per unique type.

Most used part

Tile Round 1 x 1

17x

Results are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.

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Build Insights🧩75unique parts🎨22different colors📊5.7avg. parts per color🏆17×Tile Round 1 x 1

🎨 All Friends sets 📅 All sets from 2025

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