How many pieces are in the Aliya's Baby Sister's Playroom?

Aliya's Baby Sister's Playroom contains 125 pieces.

What age is the Aliya's Baby Sister's Playroom recommended for?

This set is recommended for ages 18+.

When was the Aliya's Baby Sister's Playroom released?

Aliya's Baby Sister's Playroom was released in 2025.

LEGO Aliya's Baby Sister's Playroom set 42645

1 / 10

🏛 Friends

Set #42645

Aliya's Baby Sister's Playroom

Name: Aliya's Baby Sister's Playroom
Brand: LEGO
SKU: 42645-1

Aliya's Baby Sister's Playroom is an adorable addition to the LEGO Friends universe.

🏆 Best For: Young LEGO Friends enthusiasts and creative builders ⏱ 1.5 hr build 🧩 125 pcs

★★★★☆ 4.2

Fans appreciate the adorable design and play features of this set, especially the baby minifigure. Some find the set to be a bit simple for older builders, but overall it's considered a great addition to the LEGO Friends collection.

MSRP

$17.99

Best Price

$9.97

You Save

45% OFF

View on eBay

Check price on Amazon

📝 Our Take

Aliya's Baby Sister's Playroom is an adorable addition to the LEGO Friends universe. This set perfectly captures the cozy and imaginative world of a baby's playroom, packed with delightful details and engaging play features that will spark creativity and storytelling.

This set is perfect for young LEGO Friends fans and those who love creating heartwarming scenes. With its easy-to-follow instructions and charming design, it offers a fulfilling and enjoyable building experience, ideal for both solo play and collaborative fun.

Skip this if you are looking for a more complex or challenging build experience. Consider larger LEGO Friends sets like the Heartlake International School for a more intricate and time-consuming build.

✨ New

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How does this set fit into the broader LEGO Friends storyline? What are the best ways to customize the playroom with additional LEGO pieces? How does the value of this set compare to other LEGO Friends sets of similar size? What are some creative ways to display this set in a LEGO Friends collection?

🧱 Building Experience

🧩

125

Pieces

⏱

1.5h

Build Time

📊

Beginner

Difficulty

📏

13cm × 5cm × 7cm

Dimensions

Build Highlights:

Simple and engaging building process
Focus on creating a cozy and interactive playroom environment
Incorporates fun elements like a rocking horse and baby toys
Encourages imaginative play and storytelling

📈 Investment Analysis

→ Price stable

C+

Investment Grade

⏳ Active

Aliya's Baby Sister's Playroom offers moderate investment potential. As a part of the popular LEGO Friends theme, it benefits from a dedicated fanbase and consistent demand. The set's relatively small size and piece count may limit significant appreciation, but its charming design and play features could attract collectors seeking complete Friends collections. The inclusion of unique minifigures, especially the baby figure, adds to its appeal. However, its mass-market availability might temper any rapid price increases. A steady, gradual increase in value is more likely.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

📖 About This Set

This pretend-play toy set for kids aged 6 years old and up lets girls and boys create endless babysitting friendship stories. The LEGO® Friends Aliya’s Baby Sister’s Playroom (42645) creative toy set comes with 2 LEGO Friends mini-dolls, a baby figure and lots of accessories for role play.

Inspire kids to build the playroom, where Aliya and Liann are caring for Aliya’s baby sister, Amalia. There’s everything kids need to create friendship stories. They can feed the baby at the table – a clever flip function shows just how much mess a baby can make at mealtimes! When it’s time for a nap, there’s a crib for Amalia. Playtime is catered for too, with a slide, playmat, ball pit, a rocking duck ride and a cute plushie-style LEGO piece. Then the friends take Amalia for a walk in the baby stroller toy.

Discover other building playsets (sold separately) in the LEGO Friends universe, with lots more friendship stories to uncover. This set comes with the LEGO Builder app for intuitive building.

A kids’ pretend-play toy packed with stories – Aliya’s Baby Sister’s Playroom for girls and boys aged 6 and up comes with 2 mini-dolls, a baby figure, a toy stroller and accessories for creative play
Social-emotional toy – This set helps kids develop their social skills as they help Aliya and Liann care for Aliya’s baby sister, Amalia
Includes 2 mini-dolls and a baby figure – The set comes with Aliya and Liann mini-dolls, plus a baby sister figure and accessories for creative fun
Lots of extras for role play – Accessories include a bottle, spoon, ball pit with balls, duck ride-on toy, a stroller and a plushie toy in LEGO® form
A gift for kids aged 6 years old and up – This fun toy set makes a great gift idea for kids who enjoy pretend play and creating their own friendship stories
Online show – Inspire more creative-play ideas with other sets (sold separately) and the LEGO® Friends: The Next Chapter online show, where kids can get to know the characters of Heartlake City
Measurements – 125-piece set with a playroom model measuring over 2 in. (5 cm) high, 5 in. (13 cm) wide and 2.5 in. (7 cm) deep

⚖ Compare Similar Sets

This set is a great entry point into the LEGO Friends world, offering a smaller and more affordable option compared to larger sets like the Heartlake City Grand Hotel. While it lacks the complexity of those sets, it provides a charming and accessible play experience, perfect for younger builders or those seeking a quick and satisfying build.

3 Minifigures Included

Aliya - Coral Top, Medium Azure Pants

4 parts

Amalia

2 parts

Liann - White Top, Bright Light Orange Skirt

4 parts

This set includes three minifigures: Aliya, Amalia (the baby), and Liann. The inclusion of the baby figure is a unique selling point, adding to the set's charm and play value.

📦 Full Parts Inventory - 65 unique parts • 101 total pieces

Sticker Sheet for...

Part #: 10110444 1× [No Color/Any Color]

Tile Round 1 x 2

Part #: 1126 1× Bright Pink

Hat / Cap Short C...

Part #: 11303 1× Red

Plate Special 1 x...

Part #: 11458 1× Yellow

Slope Curved 4 x ...

Part #: 13547 1× Yellow

Brick 1 x 1 x 3

Part #: 14716 1× Dark Azure

Plate Special 1 x...

Part #: 15573 1× Red

Plate Special 1 x...

Part #: 15573 1× Bright Green

Tile 4 x 4

Part #: 1751 1× White

Plate Special Rou...

Part #: 18674 1× Bright Green

Equipment Baby Bo...

Part #: 18855 1× Light Aqua

Tile Special 1 x ...

Part #: 2412b 4× White

Slope Curved 3 x ...

Part #: 24309 1× Bright Green

Tile 1 x 4 with G...

Part #: 2431 1× Bright Pink

Wheel Skateboard ...

Part #: 2496 2× Bright Green

Brick 1 x 2

Part #: 3004 1× Dark Azure

Brick 1 x 2

Part #: 3004 1× Yellow

Brick 1 x 1

Part #: 3005 1× Dark Azure

Brick 1 x 1

Part #: 3005 2× Yellow

Brick 1 x 6

Part #: 3009 2× Yellow

Plate 2 x 4

Part #: 3020 1× White

Plate 2 x 3

Part #: 3021 1× Dark Azure

Plate 2 x 2

Part #: 3022 1× Orange

Plate 1 x 2

Part #: 3023 1× Dark Azure

Plate 1 x 2

Part #: 3023 2× Yellow

Plate 1 x 2

Part #: 3023 2× Orange

Plate 1 x 2

Part #: 3023 1× Lavender

Plate 1 x 1

Part #: 3024 1× Yellow

Slope 45° 2 x 2

Part #: 3039 1× Orange

Slope 45° 2 x 1 w...

Part #: 3040b 1× Dark Azure

Tile 2 x 2 with G...

Part #: 3068b 1× Orange

Tile 1 x 2 with G...

Part #: 3069b 2× Medium Azure

Brick 1 x 2 x 2 w...

Part #: 3245c 1× Yellow

Plate Round 1 x 1...

Part #: 32828 1× White

Plate Special 1 x...

Part #: 34103 2× Orange

Plate 1 x 8

Part #: 3460 1× Yellow

Fence Lattice 1 x...

Part #: 3633 1× White

Brick Arch 1 x 4

Part #: 3659 1× Yellow

Bracket 1 x 1 - 1...

Part #: 36840 1× Yellow

Plate 1 x 4

Part #: 3710 1× Medium Azure

Plate Round 2 x 2...

Part #: 4032a 2× Lime

Panel 4 x 4 x 3 Q...

Part #: 4041 1× Trans-Light Blue

Plate Special 1 x...

Part #: 41740 2× Yellow

Technic Pin 1/2

Part #: 4274 1× Light Bluish Gray

Plant, Flower, Mi...

Part #: 4367 1× Bright Green

Pneumatic T-Piece...

Part #: 4697b 1× White

Brick Special 1 x...

Part #: 47905 1× Tan

Brick Round Corne...

Part #: 48092 1× Dark Azure

Brick Curved 1 x ...

Part #: 49307 3× Yellow

Brick Curved 1 x ...

Part #: 49307 1× Red

Brick Curved 1 x ...

Part #: 49307 1× Orange

Animal, Bird, Duc...

Part #: 49661pr0004 1× Yellow

Pram / Stroller

Part #: 5491 1× Dark Azure

Panel 1 x 4 x 3 [...

Part #: 60581 1× White

Plate Special 1 x...

Part #: 60897 1× Medium Azure

Brick Curved 1 x ...

Part #: 6091 1× Yellow

Plate Special 1 x...

Part #: 61252 1× White

Plate Round 1 x 1...

Part #: 6141 3× Orange

Pillow Plush Toy ...

Part #: 6330pr0003 1× Bright Light Orange

Brick Round Corne...

Part #: 65617 4× Orange

Tile 1 x 6 with G...

Part #: 6636 1× Medium Azure

Headwear Accessor...

Part #: 6913 1× Lime

Plate Round Corne...

Part #: 80015 1× Dark Azure

Equipment Cutlery...

Part #: 80179 1× Flat Silver

Flag 2 x 2 Square...

Part #: 80326 1× White

Panel 1 x 2 x 3 [...

Part #: 87544 1× Trans-Light Blue

Plate Special 2 x...

Part #: 87580 1× Bright Pink

Plate 8 x 16

Part #: 92438 1× Lavender

Tile Round 1 x 1

Part #: 98138 4× Bright Pink

Tile Round 1 x 1

Part #: 98138 1× Yellow

Tile Round 1 x 1

Part #: 98138 1× Medium Azure

Tile Round 1 x 1

Part #: 98138 1× Bright Green

Tile Round 1 x 1 ...

Part #: 98138pr0008 1× White

Handlebars with A...

Part #: 98397 1× Light Bluish Gray

Bracket 1 x 2 - 2...

Part #: 99207 3× Orange

Bracket 1 x 2 - 1...

Part #: 99780 2× Yellow

The set features a good selection of basic bricks and plates in vibrant colors like yellow and orange. The round tiles and curved bricks provide opportunities for creating smooth and organic shapes, enhancing the set's overall aesthetic.

🛒 Where to Buy

eBay

✓ In Stock

$9.97 →

LEGO (UK)

✓ In Stock

£14.99

Walmart

✓ In Stock

$17.09

Target

✓ In Stock

$17.99

LEGO (DE)

✓ In Stock

€17.99

LEGO (US)

✓ In Stock

$17.99

LEGO (CA)

✓ In Stock

$22.99

Amazon

Check price

→

💎 Notable Parts

White Tile Round 1 x 1 with Offset Black Eye Print (4x) $1.00

Orange Brick Round Corner 3 x 3 x 1 No Studs (4x) $0.80

Orange Bracket 1 x 2 - 2 x 2 Inverted (3x) $0.45

Est. BrickLink Part Value

$2.25

💡 MOC Potential

🏙 Expand the playroom into a larger LEGO Friends house or daycare center

🌳 Create a baby animal sanctuary with small enclosures and play areas

🚗 Build a baby-themed parade float with playful decorations

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 7 videos

3.0 /5

Mixed

0% positive

BlockTalk AI

Based on limited data, the sentiment towards Aliya's Baby Sister's Playroom (42645-1) appears mixed to neutral. While one reviewer notes "cuteness overload," the overall sentiment score is only 3.0/5, indicating neither strong positive nor negative feelings.

Aliya's baby sister's playroom 🍼👶🏻 LEGO Friends build & review

ellieV • 128.2K views Review

Community Sentiment

Based on 7 YouTube reviews

Not enough Reddit data

YouTube

3.0 /5

Mixed

0% positive

Positive

Mixed

Critical

BlockTalk AI Analysis

What the Community Says

1 YouTube reviews

BlockTalk AI Summary

One review from ellieV highlights the cuteness of the set, specifically mentioning a tiger plushie. However, a disclaimer about the ballpit suggests a potential issue or point of concern within the build.

Reddit Reviews

No Reddit reviews found

YouTube Reviews

1 video

Aliya's baby sister's playroom 🍼👶🏻 LEGO Friends build & review

ellieV

128.2K views Review

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

📖 Building Instructions 2

BI 3102, 68+4, 42645 V29

Download PDF

BI 3102, 68+4, 42645 V39

Download PDF

Inventory Statistics

Unique Parts

101

Total Pieces

Minifigures

Inventory Version: 1

Babysitting Adventures!
Build Aliya's Baby Sister's Playroom!

Aliya's Baby Sister's Playroom

📝 Our Take

Ask BlockTalk about this set

🧱 Building Experience

📈 Investment Analysis

📖 About This Set

⚖ Compare Similar Sets

3 Minifigures Included

📦 Full Parts Inventory - 65 unique parts • 101 total pieces

🛒 Where to Buy

💎 Notable Parts

💡 MOC Potential

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