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Jay's Electro Mech

Snapshot

vs RRP
14% under
Per piece
11¢

Value per piece

cost per part at each reference

11¢lowest market value

about 40% under retail, which runs ~19¢ a piece

Reference

MSRP19¢
Used market11¢
New market16¢

Where to buy new

  • AmazonLowest$29.99
  • Walmartout of stock$29.99

New at retail · MSRP $19.99 · via BrickPicker

Set Retired

Jay's Electro Mech

Reference
71740-1
Theme
Ninjago
Year
2021
Parts
106

Jay's Electro Mech is a LEGO set from the LEGO Ninjago theme released in 2021. The set contains 106 parts.

New avg$17.24Used avg$11.95MSRP$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 28, 2026

Currently $17.24 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 (70)

View all parts →

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

Brick Arch 1 x 42×Brick Round 4 x 4 Centre Hole1×Hair Mohawk1×Torso Jacket, Bare Chest, White Logo on Back print, Yellow Arms, Black HandsPhoto shows a different color. This lot is Black.1×Bracket 1 x 2 - 2 x 21×Plate Special 2 x 2 with Groove and Center Stud (Jumper)1×Plate Special 2 x 2 with Towball and Hole2×Technic Pin with Friction Ridges Lengthwise with No Center Slots1×Technic Brick Special 2 x 2 with Pin Hole, with 2 Rotation Joint Sockets1×Vehicle Base, Brick Special 4 x 10 with 4 Pins1×Brick Curved 3 x 2 No Studs4×Wedge Brick Special 4 x 10 x 4 with 3 x 4 Recessed and Pin Holes- Plane Bottom1×Wrap with Long Back Knot, Dark Blue Band PatternPhoto shows a different color. This lot is Blue.1×Hips and Blue Legs with Bright Light Blue Sash Belt, Black Robetails, Knee Wraps PrintPhoto shows a different color. This lot is Blue.1×View all 70 →