Aliya's Baby Sister's Playroom (42645-1)

LEGO set 42645-1 Aliya's Baby Sister's Playroom - Image 1

Price Comparison

Find the cheapest deal for Aliya's Baby Sister's Playroom across 1 retailer in The United States.

Shop	Price
	$32.99 + $15.00 (83%)

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Set details

Name: Aliya's Baby Sister's Playroom
Set number: 42645-1
Year: 2025
Theme: Friends
Number of parts: 125
Number of part types: 76
Age rating: 6+
Retail price: $17.99
Retirement date: 31-12-2025

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.

Price History

Track how the lowest available price for set 42645-1 in The United States has changed over time.

Parts

Browse all 125 parts in set 42645-1 with individual pricing from BrickLink or Brick Owl.

Price source:

Value of parts: $20.30
Pricing information known of 75/76 parts.

	Color	Quantity	Average price	Total	Value
Pillow Plush Toy with Black Stripes, Orange Eyes, White Chest Print	Bright Light Orange	1	$3.26	$3.26	1 x $3.26 $3.26
Pram / Stroller	Dark Azure	1	$1.46	$1.46	1 x $1.46 $1.46
Plate 8 x 16	Lavender	1	$1.04	$1.04	1 x $1.04 $1.04
Brick Round Corner 3 x 3 x 1 No Studs	Orange	4	$0.25	$1.01	4 x $0.25 $1.01
Plate Special Round 1 x 1 with Hollow Stud and Horizontal Bar 1L	White	2	$0.48	$0.96	2 x $0.48 $0.96
Animal, Bird, Duck / Duckling with Orange Beak Print	Yellow	1	$0.89	$0.89	1 x $0.89 $0.89
Tile 4 x 4	White	1	$0.80	$0.80	1 x $0.80 $0.80
Headwear Accessory Hat with Small Pin, Cap	Lime	2	$0.40	$0.80	2 x $0.40 $0.80
Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper)	Orange	2	$0.35	$0.69	2 x $0.35 $0.69
Tile Round 1 x 2	Bright Pink	1	$0.65	$0.65	1 x $0.65 $0.65
Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs	Yellow	3	$0.19	$0.56	3 x $0.19 $0.56
Pneumatic T-Piece (T Bar) [New Style]	White	2	$0.19	$0.37	2 x $0.19 $0.37
Plate Special 1 x 4 with 2 Studs with Groove [New Underside]	Yellow	2	$0.15	$0.29	2 x $0.15 $0.29
Bracket 1 x 2 - 2 x 2 Inverted	Orange	3	$0.09	$0.28	3 x $0.09 $0.28
Panel 4 x 4 x 3 Quarter Cylinder	Trans-Light Blue	1	$0.27	$0.27	1 x $0.27 $0.27
Brick 1 x 6	Yellow	2	$0.13	$0.27	2 x $0.13 $0.27
Tile Round 1 x 1	Bright Green	6	$0.04	$0.24	6 x $0.04 $0.24
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	Lime	2	$0.12	$0.24	2 x $0.12 $0.24
Hat / Cap Short Curved Bill with Seams and Hole on Top	Red	1	$0.24	$0.24	1 x $0.24 $0.24
Brick Arch 1 x 4	Yellow	1	$0.23	$0.23	1 x $0.23 $0.23
Flag 2 x 2 Square, Flared Clip Edge [Thick Clips]	White	1	$0.21	$0.21	1 x $0.21 $0.21
Equipment Cutlery - Spoon, Flat Bottom	Flat Silver	2	$0.11	$0.21	2 x $0.11 $0.21
Tile Round 1 x 1	Yellow	5	$0.04	$0.20	5 x $0.04 $0.20
Plate Special 1 x 2 with Pin Hole on Top	Yellow	1	$0.19	$0.19	1 x $0.19 $0.19
Brick 1 x 1 x 3	Dark Azure	1	$0.17	$0.17	1 x $0.17 $0.17
Bracket 1 x 2 - 1 x 2 Inverted	Yellow	2	$0.08	$0.16	2 x $0.08 $0.16
Tile Special 1 x 2 Grille with Bottom Groove	White	4	$0.04	$0.16	4 x $0.04 $0.16
Brick Curved 3 x 2 No Studs	Bright Green	1	$0.16	$0.16	1 x $0.16 $0.16
Tile 1 x 6 with Groove	Medium Azure	1	$0.16	$0.16	1 x $0.16 $0.16
Panel 1 x 4 x 3 [Side Supports / Hollow Studs]	White	1	$0.15	$0.15	1 x $0.15 $0.15
Panel 1 x 2 x 3 [Side Supports / Hollow Studs]	Trans-Light Blue	1	$0.13	$0.13	1 x $0.13 $0.13
Plate 1 x 8	Yellow	1	$0.13	$0.13	1 x $0.13 $0.13
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]	Medium Azure	1	$0.13	$0.13	1 x $0.13 $0.13
Brick Curved Inverted 4 x 1	Yellow	1	$0.13	$0.13	1 x $0.13 $0.13
Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs	Dark Azure	1	$0.13	$0.13	1 x $0.13 $0.13
Bracket 1 x 1 - 1 x 1 Inverted	Yellow	1	$0.13	$0.13	1 x $0.13 $0.13
Plant, Flower, Minifig Accessory with 7 Thick Petals and Pin, Center Ring	Bright Green	2	$0.07	$0.13	2 x $0.07 $0.13
Tile Round 1 x 1	Medium Azure	5	$0.03	$0.13	5 x $0.03 $0.13
Tile Round 1 x 1 with Offset Black Eye Print	White	5	$0.03	$0.13	5 x $0.03 $0.13
Tile Round 1 x 1	Bright Pink	5	$0.03	$0.13	5 x $0.03 $0.13
Plate 2 x 4	White	1	$0.12	$0.12	1 x $0.12 $0.12
Tile 1 x 4 with Groove	Bright Pink	1	$0.12	$0.12	1 x $0.12 $0.12
Tile 1 x 2 with Groove	Medium Azure	2	$0.05	$0.11	2 x $0.05 $0.11
Wheel Skateboard / Trolley	Bright Green	2	$0.05	$0.11	2 x $0.05 $0.11
Brick Curved 1 x 2 x 1 1/3 with Curved Top	Yellow	1	$0.11	$0.11	1 x $0.11 $0.11
Brick Special 1 x 1 with Studs on 2 Sides	Tan	1	$0.11	$0.11	1 x $0.11 $0.11
Brick 1 x 1	Dark Azure	1	$0.11	$0.11	1 x $0.11 $0.11
Equipment Baby Bottle with Handle	Light Aqua	1	$0.11	$0.11	1 x $0.11 $0.11
Plate Round 1 x 1 with Solid Stud	Orange	4	$0.03	$0.11	4 x $0.03 $0.11
Tile 2 x 2 with Groove	Orange	1	$0.09	$0.09	1 x $0.09 $0.09
Plate Round Corner 5 x 5 with 4 x 4 Round Cutout	Dark Azure	1	$0.09	$0.09	1 x $0.09 $0.09
Brick 1 x 1	Yellow	2	$0.04	$0.08	2 x $0.04 $0.08
Technic Pin 1/2 without Friction Ridges	Light Bluish Gray	2	$0.04	$0.08	2 x $0.04 $0.08
Plate 1 x 2	Yellow	2	$0.04	$0.08	2 x $0.04 $0.08
Plate Special 2 x 2 with Groove and Center Stud (Jumper)	Bright Pink	1	$0.08	$0.08	1 x $0.08 $0.08
Plate Special Round 2 x 2 with Center Stud (Jumper Plate)	Bright Green	1	$0.08	$0.08	1 x $0.08 $0.08
Plate 1 x 1	Yellow	3	$0.03	$0.08	3 x $0.03 $0.08
Fence Lattice 1 x 4 x 1	White	1	$0.07	$0.07	1 x $0.07 $0.07
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]	White	1	$0.07	$0.07	1 x $0.07 $0.07
Handlebars with Angular Handles	Light Bluish Gray	1	$0.07	$0.07	1 x $0.07 $0.07
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	Red	1	$0.07	$0.07	1 x $0.07 $0.07
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	Bright Green	1	$0.07	$0.07	1 x $0.07 $0.07
Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs	Red	1	$0.07	$0.07	1 x $0.07 $0.07
Plate 2 x 3	Dark Azure	1	$0.07	$0.07	1 x $0.07 $0.07
Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs	Orange	1	$0.05	$0.05	1 x $0.05 $0.05
Plate 1 x 4	Medium Azure	1	$0.05	$0.05	1 x $0.05 $0.05
Plate 1 x 2	Dark Azure	1	$0.05	$0.05	1 x $0.05 $0.05
Plate 1 x 2	Orange	2	$0.03	$0.05	2 x $0.03 $0.05
Brick 1 x 2	Dark Azure	1	$0.04	$0.04	1 x $0.04 $0.04
Plate 2 x 2	Orange	1	$0.04	$0.04	1 x $0.04 $0.04
Brick 1 x 2	Yellow	1	$0.04	$0.04	1 x $0.04 $0.04
Brick Sloped 45° 2 x 1 with Bottom Pin	Dark Azure	1	$0.04	$0.04	1 x $0.04 $0.04
Plate 1 x 2	Lavender	1	$0.04	$0.04	1 x $0.04 $0.04
Brick Sloped 45° 2 x 2	Orange	1	$0.04	$0.04	1 x $0.04 $0.04
Brick 1 x 2 x 2 with Inside Stud Holder	Yellow	1	$0.04	$0.04	1 x $0.04 $0.04

Missing pricing information on the following items.

Part		Color	Quantity
	Sticker Sheet for Set 42645-1	[No Color/Any Color]	1

Minifigures included in set 42645-1.

Price source:

Minifigure		Quantity	Value
	Aliya - Coral Top, Medium Azure Pants fig-015747, frnd0773, BOID 245265	1	$1.86
	Amalia fig-015755, frnd0775, BOID 242544	1	$3.04
	Liann - White Top, Bright Light Orange Skirt fig-015756, frnd0776, BOID 1405532	1	$2.82
Total minifigure value:			$7.72

Compare the value of buying Aliya's Baby Sister's Playroom as a complete set versus the total value of all parts individually.

Value Breakdown
Parts value	$20.30
Minifigure value	$7.72
Total inventory value	$28.02

BrickLink

Ratio: what the parts sell for, over what the set sells for. Above 1× the parts are worth more than the set.

New · 6 months ?

Set ? · parts $21.89

Used · 6 months ?

Set ? · parts $17.89

Brick Owl

New · Current 1.33×

Set $26.63 · parts $35.48

New · 6 months ?

Set ? · parts $28.61

New · 1 year ?

Set ? · parts $29.05

Used · Current ?

Set ? · parts $21.22

Items sold, 6 months, new, both marketplaces ?

BrickLink
Condition	Timespan	Avg price	Items sold	Inventory value	Ratio
New	6 months	?	?	$21.89	?
Used	6 months	?	?	$17.89	?

Brick Owl
Condition	Timespan	Avg price	Inventory value	Ratio
New	Current	$26.63	$35.48	1.33
	6 months	?	$28.61	?
	1 year	?	$29.05	?
Used	Current	?	$21.22	?

Combined 6 Month Sales Volume (New)
Total items sold	?

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

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Brick Owl and eBay marketplace offers.

BrickLink history of 0 sales with 0 total item quantity. Item condition: New.

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