LEGO River Steamboat (21356) fully built
LEGO River Steamboat (21356) set
LEGO River Steamboat, detail view 1
LEGO River Steamboat, detail view 2
LEGO River Steamboat, detail view 3

Rent the LEGO River Steamboat

Ships in 4–8 weeks


From CHF 29.–CHF 39.–

per monthfor 1 month

Facts and figures for the LEGO River Steamboat

Pieces
4'090
Build time
14h
Retail price (RRP)
CHF 349.–
Dimensions
40 × 69 × 15 cm
Released
2025
Age
18+
Set no.
#21356

About the LEGO River Steamboat set

A Mississippi paddle steamer with three decks, 69 cm long and with a stern wheel that really turns. A mechanism links it to the modelled steam engines in the hull, so the pistons run when you move the wheel. The ornamented superstructures with their railings and columns are what give the model its character.

The hull and the decks are clearly separated sections; most of the 14 hours goes into the ornamentation. 4’090 pieces sounds like more than it feels, because many of them are small and quickly placed. Finished, the ship is narrow but long and tall. To display it you need a shelf with height, not just width. Released in 2025 and currently in the shops.

LEGO Ideas
Vehicle
Ship
History

Common questions about the LEGO River Steamboat

How long does the LEGO River Steamboat take to build?

Reckon on 13 to 16 hours for the 4090 pieces. The hull and the three decks are clearly separated sections. The ornamentation on the superstructures takes the largest share of the time.

How big is the LEGO River Steamboat (21356)?

The ship is 69 cm long, 40 cm tall and 15 cm wide. So it is narrow but long and tall. To display it you need a shelf with proper height, not just width.

Is the LEGO River Steamboat still available?

Yes, Ideas set 21356 came out in 2025 and is currently in the shops. Ideas models are usually retired after two to three years.

Does the paddle wheel on the LEGO River Steamboat turn?

Yes. The stern wheel is mounted to rotate and is linked by a mechanism to the modelled steam engines in the hull. Move the wheel and the pistons run with it.

Questions about the BlockAbo rental model

How does BlockAbo actually work?

You pick a set from our collection and we send it to your door for free. You build it, keep it as long as you like, and send it back when you are ready for the next one. After a month at the earliest, with no upper limit. Then you choose your next set.

What does BlockAbo cost and what is included?

There are three options: the single rental at a one-off CHF 42.–, the monthly plan at CHF 39.– per month and the yearly plan at CHF 29.– per month. Included are the complete set, delivery to you and the cleaning. You cover the return, and the label is already in the box.

Can I cancel the subscription at any time?

Yes. The monthly plan can be cancelled to the end of any month, with no reason and no notice period. You send the set back and that is that. The yearly plan commits you for twelve months and costs about a quarter less per month in return.

How hygienic are rented LEGO sets?

Every set goes through our quality check after it comes back, before it goes out again. We check its condition, wash the sets regularly at 30 °C with soap and keep track of whether every piece is there. That way a clean and complete set reaches you.

Why are all the pieces mixed in one bag?

The sets are checked between rentals and washed regularly. That is why the numbered bags from the original packaging are gone, and you get all the pieces loose in one large wash bag. Up to about 2'000 pieces you build straight from the bag; for bigger sets a bit of sorting first is worth it. For the return you sort nothing: take the set fully apart and put every piece back in the wash bag.

Why are there no building instructions in the box?

Paper instructions and sticker sheets do not last many rentals, so we send the sets without them. The instructions for every set are free at lego.com/en-ch/service/building-instructions and in the LEGO Builder app. Search there by set number or name.

What happens if pieces are missing or break?

Up to ten lost small pieces are no problem and are included in the price. It happens, vacuum cleaners are merciless. We only get in touch for larger damage or missing large pieces. You do not have to go over the carpet with tweezers.

How fast does the set reach me?

Orders placed before 14:00 go out the same working day. After that Swiss Post usually takes one to two working days. We deliver anywhere in Switzerland and delivery to you is free.

Why is renting more sustainable than buying?

A LEGO set is usually built once and then sits on a shelf or in a cellar for years. With us the same set passes through eight to ten people. For the same number of sets built, that is up to 90 % less newly produced plastic.

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