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Underwater Robot

Snapshot

vs RRP
+150% over
Per piece
16¢

Value per piece

cost per part at each reference

16¢lowest market value

Reference

MSRP9.7¢
Used market16¢
New market24¢

Where to buy new

  • AmazonLowest$110.48

New at retail · MSRP $19.99 · via BrickPicker

Set Retired

Underwater Robot

Reference
31090-1
Theme
Creator › Creator 3-in-1
Year
2019
Parts
207

Underwater Robot is a LEGO set from the LEGO Creator theme released in 2019. The set contains 207 parts.

New avg$50.00Used avg$33.00MSRP$19.99

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 $50.00 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 (89)

View all parts →

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

Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small1×Brick Round 4 x 4 Centre Hole1×Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / GratePhoto shows a different color. This lot is Black.4×Brick Special 1 x 1 with Clip Horizontal4×Arm Mechanical with Clip [Thick Support]3×Plate Special 1 x 1 Rounded with Handle2×Plate Special 1 x 2 with Handle on End [Closed Ends]1×Plate Special 1 x 2 with Pin Hole on Top8×Plate Special 2 x 2 with Bar Frame Octagonal, Reinforced, Completely Round Studs1×Technic Pin with Friction Ridges Lengthwise and Center Slots2×Technic Rotation Joint Ball Loop with Two Perpendicular Pins with Friction6×Technic Brick Special 2 x 2 with Pin Hole, with 2 Rotation Joint Sockets1×Technic Axle Pin with Friction Ridges Lengthwise2×Technic Pin 1/24×View all 89 →