LEGO Ninjago 71740 Jay's Electro Mech

LEGO set 71740, Jay's Electro Mech, depicts a combat mech associated with Jay in the Ninjago theme. Released in 2021, it contains 106 pieces and presents a compact build focused on character-based action.

Set 71740 builds an electro-themed mech for Jay, one of the ninja characters from Ninjago.

The model uses 106 pieces and is built around a minifigure-scale robot.

It is suited to Ninjago fans who want a short build, a play model, or a small display piece to place beside other ninja-themed sets. In a collection, it sits as a compact Jay-focused entry, notable for its Legacy minifigures and for representing a mech tied to the character’s electric identity.

Inventory of set 71740

The inventory of set 71740 lists 106 pieces, spare parts excluded: 67 different lots (one shape in one color) for 64 part shapes. The box also contains 3 spare parts, for small elements that are easy to lose.

Colors of set 71740

Main color: dark blue, making up 12% of the parts, followed by light bluish gray (11%) and pearl gold (11%).

Part types

Most common parts in set 71740

48 of the 64 part shapes in this set have their own page on Setopedia, with their colors, element numbers and the other sets that use them. See all LEGO parts

No part in set 71740 is exclusive: each one is found in at least one other set, which makes replacing a lost element easier.

No similarly sized set supplies more than a quarter of its parts: set 71740 relies on a little-shared assortment.

Size of set 71740 within its line

With 106 pieces, set 71740 ranks #266 out of 396 Ninjago sets in our database, which have an average of 470 parts. Among the 519 sets released in 2021, it ranks #365. That is less than half the average Ninjago set size.