How many pieces are in the Underwater Loop?

Underwater Loop contains 389 pieces.

What age is the Underwater Loop recommended for?

This set is recommended for ages 7+.

When was the Underwater Loop released?

Underwater Loop was released in 2019.

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🏛 Friends

Set #41337

Underwater Loop

The Underwater Loop is a vibrant and playful addition to the LEGO Friends amusement park lineup.

Before you buy

Who it's for: Ages 7+ · Beginner build Ideal for children aged 7+ who enjoy the LEGO Friends theme and amusement park rides.
Build: 389 pieces · about 2 hours Build time is an estimate.
Price: $29.99 list price · 7.7¢ per piece
Availability: Retired at LEGO

★★★☆☆ 3.7 community rating from 29 ratings

Fans appreciate the bright colors and fun spinning action of the Underwater Loop, but some find the build repetitive and the overall design somewhat simplistic. The minifigures are a plus, but the set may not appeal to older builders seeking a more challenging experience.

$29.99

Check price on eBay

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The Underwater Loop is a vibrant and playful addition to the LEGO Friends amusement park lineup. With its bright colors and spinning action, it captures the fun of a fairground ride in LEGO form.

This set is perfect for younger LEGO fans and those who enjoy the Friends theme. The build is relatively straightforward, making it a great introduction to more complex LEGO models. The play features also add to the enjoyment.

Skip this if you're looking for a challenging build or a highly detailed display piece. Consider larger Creator Expert sets for more intricate designs and advanced building techniques.

✨ New

Ask BlockTalk about this set

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How does this set compare to other LEGO Friends amusement park rides? What are some ways to expand the Underwater Loop into a larger amusement park layout? Is this set a good value for the piece count and play features? How can I display this set to showcase its spinning action?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

389

Pieces

⏱

Estimated Build Time

📊

Beginner

Difficulty

📏

17cm × 12cm × 9cm

Dimensions

Build Highlights:

Simple and engaging building process
Incorporates Technic elements for the spinning mechanism
Bright and colorful design that's visually appealing
Interactive play features with spinning chairs and a ticket kiosk

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

Not enough price history for a trend

C+

Investment Grade

⏳ Retired

The Underwater Loop, being a retired LEGO Friends set, has a moderate investment potential. While the Friends theme is consistently popular, this particular set isn't exceptionally rare or sought after. However, its relatively low MSRP and decent piece count may lead to gradual appreciation over time, especially if kept in mint condition. The presence of unique elements and minifigures could also contribute to its value. As with any LEGO investment, market trends and collector demand will ultimately determine its long-term performance.

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

⚖ Compare Similar Sets

Heartlake City Amusement Pier

Friends • 1,251 pcs

$129.99

🧱

Stephanie's Soccer Practice

The Underwater Loop offers a smaller and more accessible amusement park experience compared to larger sets like the Roller Coaster (41130-1). It's a good option for younger builders or those with limited space. While not as elaborate as some other Friends sets, it provides a fun and engaging play experience at a reasonable price point.

2 Minifigures Included

Mia - Dark Purple Top, Lime Trousers

5 parts

Vicky - Yellow Plaid Shirt, Yellow Skirt, Glasses

5 parts

C+

The set includes two minifigures: Mia and Vicky. Mia is a recurring character in the Friends theme, while Vicky features a unique yellow plaid shirt and glasses, adding a bit of exclusivity to the set.

📦 Parts Inventory

Official piece count: 389
Parts cataloged in this inventory: 110 unique parts, 379 pieces
Minifigures: 2

The official piece count includes the 10 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Plate Special 2 x...

Part #: 10247 8× Light Bluish Gray

Brick Special 1 x...

Part #: 11211 2× White

Plate Special 1 x...

Part #: 11458 2× White

Plate Special 1 x...

Part #: 11476 1× Yellow

Brick Curved 2 x ...

Part #: 11477 4× Lime

Brick Curved 2 x ...

Part #: 11477 5× White

Brick Curved 2 x ...

Part #: 11477 2× Medium Lavender

Brick Curved 2 x ...

Part #: 11477 4× Orange

Tile Round 2 x 2 ...

Part #: 14769pr0080 1× White

Brick Curved 2 x ...

Part #: 15068 3× Medium Lavender

Tile Special Roun...

Part #: 15535 1× Dark Bluish Gray

Plate Special 1 x...

Part #: 15573 1× Lime

Plate Special 1 x...

Part #: 18649 1× Light Bluish Gray

Technic Pin Conne...

Part #: 18654 4× Light Bluish Gray

Plate Special Rou...

Part #: 18674 1× Dark Pink

Animal Body Part,...

Part #: 18970 2× White

Plate Round Corne...

Part #: 18980 2× Tan

Tile Special Roun...

Part #: 20482 1× White

Panel 1 x 2 x 1 w...

Part #: 23969 1× Medium Azure

Plate 2 x 2 Corner

Part #: 2420 1× Tan

Plate 2 x 2 Corner

Part #: 2420 1× Dark Bluish Gray

Plate 2 x 2 Corner

Part #: 2420 1× White

Brick Curved Inve...

Part #: 24201 2× Red

Brick Curved Inve...

Part #: 24201 2× Lime

Plant, Flower, Pl...

Part #: 24866 21× Bright Green

Tile Round 1 x 1 ...

Part #: 25269 4× White

Brick Special 1 x...

Part #: 26604 2× Black

Tile 4 x 4 Curved...

Part #: 27507 2× White

Technic Pin with ...

Part #: 2780 11× Black

Tile 2 x 2 Curved...

Part #: 27925 2× Dark Purple

Brick 2 x 4

Part #: 3001 1× White

Brick 2 x 3

Part #: 3002 2× White

Brick 2 x 2

Part #: 3003 4× White

Brick 1 x 2

Part #: 3004 1× Tan

Brick 1 x 2

Part #: 3004 1× Dark Purple

Part #: 3005 2× Dark Green

Brick 1 x 6

Part #: 3009 1× Lime

Brick Curved 2 x ...

Part #: 30165 1× Lime

Plate 2 x 4

Part #: 3020 1× Light Bluish Gray

Plate 2 x 4

Part #: 3020 1× Dark Purple

Plate 2 x 4

Part #: 3020 4× Orange

Plate 2 x 4

Part #: 3020 2× Dark Pink

Plate 2 x 4

Part #: 3020 2× White

Plate 2 x 3

Part #: 3021 2× Dark Pink

Part #: 3022 1× Dark Purple

Plate 2 x 2

Part #: 3022 1× White

Plate 1 x 2

Part #: 3023 1× Dark Bluish Gray

Plate 1 x 2

Part #: 3023 2× Dark Purple

Plate 1 x 2

Part #: 3023 1× Red

Plate 1 x 2

Part #: 3023 3× White

Plate 1 x 1

Part #: 3024 2× Orange

Plate 1 x 1

Part #: 3024 1× Dark Bluish Gray

Road Sign Clip-on...

Part #: 30261 1× White

Plate 4 x 4

Part #: 3031 1× White

Part #: 3034 1× White

Plate 2 x 8

Part #: 3034 1× Tan

Plate 4 x 8

Part #: 3035 1× Medium Azure

Plate Round Corne...

Part #: 30357 2× Dark Purple

Bar 4L (Lightsabe...

Part #: 30374 2× Tan

Brick Sloped 45° ...

Part #: 3039 1× Orange

Brick Special 1 x...

Part #: 30414 1× Red

Brick Special 1 x...

Part #: 30414 2× Black

Plate Round Corne...

Part #: 30565 4× Medium Azure

Plate Round Corne...

Part #: 30565 2× Tan

Brick Round 1 x 1...

Part #: 3062b 1× White

Brick Round 1 x 1...

Part #: 3062b 8× Dark Purple

Tile 2 x 2 with G...

Part #: 3068b 1× Orange

Tile 2 x 2 with G...

Part #: 3068b 6× Medium Azure

Tile 1 x 2 with G...

Part #: 3069b 2× White

Tile 1 x 2 with G...

Part #: 3069b 1× Medium Lavender

Tile 1 x 2 with '...

Part #: 3069bpr0100 1× Green

Tile 1 x 2 with '...

Part #: 3069bpr0198 1× White

Technic Brick 1 x...

Part #: 32000 8× Dark Bluish Gray

Technic Axle 2 No...

Part #: 32062 7× Red

Technic Axle 5

Part #: 32073 2× Light Bluish Gray

Technic Beam 1 x ...

Part #: 32278 2× Medium Azure

Technic Ball Joint

Part #: 32474 1× Red

Technic Ball Joint

Part #: 32474 1× Metallic Silver

Technic Pin Long ...

Part #: 32556 4× Tan

Plant, Plate 1 x ...

Part #: 32607 4× Bright Green

Brick Curved Inve...

Part #: 32803 1× Black

Brick Sloped 33° ...

Part #: 3298 4× White

Brick Sloped 33° ...

Part #: 3300 1× White

Plate Special 1 x...

Part #: 35480 2× White

Plant, Beehive / ...

Part #: 35574 1× Bright Pink

Plate 1 x 3

Part #: 3623 2× Red

Plate 1 x 6

Part #: 3666 1× Orange

Plate 1 x 6

Part #: 3666 1× White

Plate 1 x 6

Part #: 3666 2× Lime

Turntable 2 x 2 P...

Part #: 3679 1× Light Bluish Gray

Turntable 2 x 2 P...

Part #: 3680 1× White

Plate 1 x 4

Part #: 3710 2× Black

Plate 1 x 4

Part #: 3710 5× White

Plate 1 x 4

Part #: 3710 2× Medium Lavender

Plate 1 x 4

Part #: 3710 2× Medium Azure

Plate 1 x 4

Part #: 3710 1× Orange

Plate 1 x 4

Part #: 3710 1× Dark Pink

Plate 2 x 6

Part #: 3795 1× Lime

Plate 2 x 6

Part #: 3795 2× Medium Azure

Technic Axle and ...

Part #: 42003 4× Light Bluish Gray

Technic Pin 1/2 w...

Part #: 4274 4× Light Bluish Gray

Dish 3 x 3 Invert...

Part #: 43898 1× Metallic Silver

Brick Wedged, Cur...

Part #: 47753 1× Red

Bar 1L with Clip ...

Part #: 48729b 1× Light Bluish Gray

Animal / Plant, C...

Part #: 49577 2× Dark Turquoise

Brick Curved 3 x ...

Part #: 50950 6× Red

Brick Sloped 30° ...

Part #: 54200 2× Orange

Brick Sloped 30° ...

Part #: 54200 2× Dark Bluish Gray

Technic Axle Conn...

Part #: 59443 4× White

Cone 1 x 1 [Top G...

Part #: 59900 4× Yellow

Plate Round 4 x 4...

Part #: 60474 1× White

Brick Special 1 x...

Part #: 60475b 2× White

Technic Beam 1 x ...

Part #: 60483 2× White

Technic Beam 3 x ...

Part #: 60484 4× Light Bluish Gray

Window 1 x 4 x 3 ...

Part #: 60594 1× White

Glass for Window ...

Part #: 60603 1× Trans-Light Blue

Plate Special 1 x...

Part #: 60897 1× Red

Plate Special 1 x...

Part #: 61252 6× White

Plate Special 1 x...

Part #: 61252 1× Dark Bluish Gray

Plate Round 1 x 1...

Part #: 6141 6× Trans-Light Blue

Plate Round 1 x 1...

Part #: 6141 2× White

Plate Round 1 x 1...

Part #: 6141 1× Yellow

Plate Round 1 x 1...

Part #: 6141 6× Trans-Dark Pink

Plate Round 1 x 1...

Part #: 6141 3× Bright Pink

Plate Round 1 x 1...

Part #: 6141 4× Dark Purple

Bar 6L with Stop ...

Part #: 63965 1× White

Support 1 x 6 x 1...

Part #: 64449 2× Dark Purple

Animal, Fish [Hol...

Part #: 64648 1× Orange

Sticker Sheet for...

Part #: 65017 1× [No Color/Any Color]

Technic Pin Long ...

Part #: 6558 8× Blue

Tile 1 x 6 with G...

Part #: 6636 2× Medium Azure

Tile 1 x 6 with G...

Part #: 6636 2× White

Brick Round Corne...

Part #: 85080 4× Dark Purple

Brick Sloped 30° ...

Part #: 85984 1× Black

Brick Sloped 30° ...

Part #: 85984 3× Orange

Tile 2 x 4 with G...

Part #: 87079 2× Medium Azure

Brick Special 1 x...

Part #: 87087 7× Lime

Weapon Trident

Part #: 92290 1× Pearl Gold

Chain 6L [5 Links]

Part #: 92338 2× Pearl Gold

Plate 8 x 16

Part #: 92438 1× Medium Azure

Plate Special 1 x...

Part #: 92692 2× White

Brick Round 2 x 2...

Part #: 92947 8× White

Brick Round 2 x 2...

Part #: 92947 1× Red

Panel 1 x 2 x 1 w...

Part #: 93095 6× Medium Azure

Tile Round 1 x 1

Part #: 98138 1× Lime

Tile Round 1 x 1 ...

Part #: 98138pr0008 4× White

Tile Round 1 x 1 ...

Part #: 98138pr0024 1× Flat Silver

Tile Round 1 x 1 ...

Part #: 98138pr0027 2× White

Plate Special 2 x...

Part #: 99206 1× Red

Bracket 1 x 2 - 1...

Part #: 99781 2× Black

The set offers a good selection of bright and colorful parts, including a generous amount of Bright Green flower petals and Dark Purple round bricks, useful for adding decorative details to MOCs.

🛒 Where to Buy

eBay

Search listings

→

💎 Notable Parts

Bright Green Plant, Flower, Plate Round 1 x 1 with 5 Petals (21x) $2.10

Dark Purple Brick Round 1 x 1 Open Stud (8x) $1.20

Lime Brick Special 1 x 1 with Stud on 1 Side (7x) $0.70

Est. BrickLink Part Value

$4.00

💡 MOC Potential

🏙 Expand the amusement park with additional rides and attractions.

🌳 Create an underwater-themed diorama with coral reefs and marine life.

🚗 Build a small submarine or other underwater exploration vehicle.

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

1 video found

BlockTalk AI

ZIROTCA's unboxing and speed build of the LEGO Friends 41337 Underwater Loop set offers a straightforward look at the building process. The video serves as a building instruction guide for viewers interested in assembling the set.

LEGO Friends 41337 Underwater Loop Set Unboxing | Toy Speed Build | Buidling Instruction

ZIROTCA • 1.0K views Unboxing

What the Community Says

1 YouTube reviews

BlockTalk AI Summary

Reddit Reviews

No Reddit reviews found

YouTube Reviews

1 video

LEGO Friends 41337 Underwater Loop Set Unboxing | Toy Speed Build | Buidling Instruction

ZIROTCA

1.0K views Unboxing

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

📖 Building Instructions 2

BI 3106, 72+4/65+115G, 41337 V29

Download PDF

BI 3106, 72+4/65+115G, 41337 V39

Download PDF

Inventory Statistics

112

Unique Parts

389

Official Piece Count

379

Cataloged Inventory Pieces

Minifigures

Spare Parts

The official piece count includes the 10 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Inventory Version: 1

Missing a piece? Use the Missing Piece Checker.