Underwater Loop
41337-1 Friends 2019 389 parts 1.9% catalog rarity Intermediate
The LEGO Friends 41337 Underwater Loop provides a unique fairground experience. This 389-piece set features the main loop ride, where mini-dolls Mia and Vicky can enjoy a spin. A Technic function knob controls the motion, causing three chairs, shaped like turtles and fish, to spin and wobble. Each chair accommodates up to three mini-dolls, with a giant crab adorning the central kiosk. The kiosk allows for ticket purchases using included bill and coin elements, contributing to a realistic amusement park setting. Adjacent, a cotton candy stall offers role-play opportunities. This model serves as a display piece, capturing the lively energy of a themed ride.
Parts Inventory
Showing the first 12 rows of the parts list (389 pieces in total). The full list loads automatically.
| Part | Qty | LEGO price each |
|---|---|---|
| 8× | €0,10 | |
| 2× | €0,13 | |
| 2× | €0,10 | |
| 1× | €0,15 | |
| 2× | €0,06 | |
| 4× | €0,06 | |
| 5× | €0,06 | |
| 4× | €0,06 | |
| 1× | €0,39 | |
| 3× | €0,13 | |
| 1× | €0,07 | |
| 1× | €0,06 |
Catalog rarity
How common are the parts in Underwater Loop?
3 of 156 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
More Friends sets
Browse more LEGO Friends sets related to Underwater Loop, including models from 2019 and other sets in the same theme.
Build DNA
Parts inventory insights for Underwater Loop
389 pieces puts this build +27% against the average Friends set and -6% against the average 2019 release.

Vs average Friends set
Average Friends set: 306 pieces across 540 other sets.
Vs average 2019 set
Average 2019 set: 414 pieces across 448 other sets.
Color profile
Dominant color
White
Unique parts
3.4 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Plate Round 1 x 1 with Solid Stud
22xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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