LEGO 71740
Jay's Electro Mech

LEGO 71740 Jay's Electro Mech box image
Set number
71740
Theme
Ninjago
Pieces
106 pcs
Year
2021
Used & parts
See price history & best time to buy

Prices may vary — please check each store. Links may include affiliate (advertising) links.

How many parts to go?
Can you build this from what you own?
Just pick the sets you own — see this set's completion rate and missing parts instantly.
① Tap the sets you own (pick a few)
② Or add by number (optional)

“Jay's Electro Mech” is LEGO® “Ninjago” theme set number 71740. Released in 2021, it has 106 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 59 types

Color split (most first)
Dark Blue×13
Light Bluish Gray×12
Pearl Gold×12
Black×10
Dark Bluish Gray×10
Blue×9
Dark Purple×8
Yellow×6
Dark Tan×5
White×3
Green×2
Flat Silver×2
Main parts (most used first)
14769 Tile Round 2 x 2 with Bottom Stud Holder
Dark Purple · ×4
14769pr1173 Tile Round 2 x 2 with Bottom Stud Holder and Black Shuriken Print
Pearl Gold · ×4
24309 Slope Curved 3 x 2 No Studs
Blue · ×4
44674 Mudguard 2 x 4 with Molded Headlights
Dark Blue · ×4
87081 Brick Round 4 x 4 Centre Hole
Dark Bluish Gray · ×4
98137 Weapon Sword, Big Blade with Bar
Pearl Gold · ×3
14704 Plate Special 1 x 2 5.9mm Centre Side Towball Socket
Light Bluish Gray · ×2
15456 Plate Special 2 x 2 with Towball and Hole
Black · ×2
22889 Slope Inverted 45° 6 x 2 Double with 2 x 4 Recessed
Dark Blue · ×2
30176 Plant, Round 1 x 1 - 3 Bamboo Leaves
Green · ×2
3021 Plate 2 x 3
Light Bluish Gray · ×2
3022 Plate 2 x 2
Blue · ×2
30237b Brick Special 1 x 2 with Vertical Clip [Open O Clip]
Dark Bluish Gray · ×2
30602 Slope Curved 2 x 2 with Lip, No Studs
Dark Tan · ×2
3622 Brick 1 x 3
Light Bluish Gray · ×2
3659 Brick Arch 1 x 4
Black · ×2
3700 Technic Brick 1 x 2 [1 Pin Hole]
Yellow · ×2
3710 Plate 1 x 4
Dark Purple · ×2
4460b Slope 75° 2 x 1 x 3 with Hollow Stud
Reddish Brown · ×2
44728 Bracket 1 x 2 - 2 x 2
Dark Blue · ×2
60470b Plate Special 1 x 2 with Clips Horizontal [Open O Clips]
Light Bluish Gray · ×2
60474 Plate Round 4 x 4 with Pin Hole
Yellow · ×2
63864pr0012 Tile 1 x 3 with Wood Grain print
Dark Tan · ×2
66955 Slope Curved 4 x 3 with 3 Layers, 1 x 3 Cutout on Underside
Dark Blue · ×2

More “Ninjago” theme sets

Re:GO is an unofficial service and is not affiliated with the LEGO Group. LEGO® is a trademark of the LEGO Group. Data is based on Rebrickable and others.