LEGO Technic 42140 App-Controlled Transformation Vehicle

LEGO Technic set 42140, App-Controlled Transformation Vehicle, is an app-controlled transforming vehicle in the Technic theme.

Set 42140 belongs to LEGO Technic, a theme built around structural building, movement and functional mechanisms. Its subject is not a fixed-shape vehicle, but a transforming vehicle whose identity is tied to change during use. That places it among Technic models where the function is as important as the finished form.

The build therefore concentrates on the vehicle itself, including the frame, moving sections and body elements needed to express the transformation concept.

This set is aimed at builders who want a Technic model to operate and test, as well as to display. In a collection, it fits with functional Technic vehicles rather than purely static display builds. Its app-controlled transforming concept makes it useful for comparing how different Technic sets handle motion, control and play value within the same theme.

Inventory of set 42140

The inventory of set 42140 lists 772 pieces, spare parts excluded: 113 different lots (one shape in one color) for 80 part shapes. The box also contains 10 spare parts, for small elements that are easy to lose.

Colors of set 42140

Main color: black, making up 46% of the parts, followed by blue (18%) and dark bluish gray (11%).

Part types

Most common parts in set 42140

74 of the 80 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

Exclusive parts in set 42140

One part shape in set 42140 appears in no other set in the catalog, most often a printed element, a sticker or a mold specific to the model. If it gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set. Counting colors, 6 lots in the set are not found in any other set.

Rebuilding set 42140 from another set

Share of the parts of set 42140 found in each of these similarly sized sets, counting shape, colour and quantity:

No similarly sized set goes above 48%: the model relies on a little-shared assortment, most of which has to be gathered piece by piece.

Size of set 42140 within its line

With 772 pieces, set 42140 ranks #138 out of 443 Technic sets in our database, which have an average of 658 parts. Among the 483 sets released in 2022, it ranks #100.