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Underwater Loop

Snapshot

vs RRP
25% under
Per piece
4.8¢

Value per piece

cost per part at each reference

4.8¢lowest market value

about 38% under retail, which runs ~7.7¢ a piece

Reference

MSRP7.7¢
Used market4.8¢
New market5.8¢
Set Retired

Underwater Loop

Reference
41337-1
Theme
Friends
Year
2019
Parts
389

Underwater Loop is a LEGO set from the LEGO Friends theme released in 2019. It is built from 389 pieces.

New avg$22.50Used avg$18.48MSRP$29.99

Avg. 3rd-party market prices via BrickPicker, not CollectORbuild seller prices

See full valuation & price history →Track its value free →
Value historytracking since Jul 29, 2026

Currently $22.50 new. We just started tracking this set’s value. The chart fills in as prices are re-checked over the coming weeks.

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Parts in this set (190)

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A peek at the pile. See the full list, grouped by color, on the parts page.

Sticker Sheet for Set 41337-1Photo shows a different color. This lot is (Not Applicable).1×Brick Curved Inverted 2 x 2 x 2/31×Brick Sloped 30° 1 x 2 x 2/31×Brick Special 1 x 1 with Studs on 2 Adjacent Sides2×Brick Special 1 x 4 with 4 Studs on One Side2×Hair Long and Layered, Parted in FrontPhoto shows a different color. This lot is Black.1×Plate 1 x 42×Bracket 1 x 2 - 1 x 22×Technic Pin with Friction Ridges Lengthwise and Center Slots11×Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots8×Plant, Flower, Plate Round 1 x 1 with 5 Petals21×Plant, Plate 1 x 1 Round with 3 Leaves4×Plant, Beehive / Nest1×Plate Round 1 x 1 with Solid Stud3×View all 190 →