LEGO Duplo 10421 Alphabet Truck

LEGO Duplo 10421, Alphabet Truck, depicts a truck with a trailer built around alphabet letters.

Set 10421 is an alphabet themed truck within the Duplo range.

The French retail title refers to a truck, a trailer and colorful bricks with letters of the alphabet. On that basis, the build can be described in general terms as a simple vehicle assembly using lettered elements as the main educational and play feature.

The set is suited to hands on play, letter recognition and small Duplo vehicle scenes rather than display focused building.

Inventory of set 10421

The inventory of set 10421 lists 36 pieces, spare parts excluded: 35 different lots (one shape in one color) for 35 part shapes.

Colors of set 10421

Main color: white, making up 11% of the parts, followed by medium azure (11%) and bright light orange (8.3%).

Part types

2 of the 35 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 10421

2 part shapes in set 10421 appear in no other set in the catalog, most often printed elements, stickers or molds specific to the model. If one gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set.

Rebuilding set 10421 from another set

Share of the parts of set 10421 found in each of these similarly sized sets, counting shape, colour and quantity:

Set 10915 Alphabet Truck supplies 83% of them: enough to build a good part of the model before filling in the rest piece by piece.

Size of set 10421 within its line

With 36 pieces, set 10421 ranks #439 out of 522 Duplo sets in our database, which have an average of 69 parts. Among the 571 sets released in 2024, it ranks #547.