LEGO 2321 Happy Birthday Building Set: Set Guide

Specifications

Set number	2321
Release year	1996
Piece count	33
Minifigures	0
Theme	Duplo
Subtheme	Basic Set
Building instructions	Download the instructions on lego.com

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LEGO set 2321 Happy Birthday Building Set, released in 1996 as part of the Duplo line, has 33 pieces. Its inventory breaks down into 13 different lots, across 4 colors.

Inventory of set 2321

The inventory of set 2321 lists 33 pieces, spare parts excluded: 13 different lots (one shape in one color) for 7 part shapes.

Colors of set 2321

Main color: yellow, making up 30% of the parts, followed by blue (27%) and red (21%).

Color	Parts	Share
Yellow	10	30%
Blue	9	27%
Red	7	21%
Green	7	21%

Part types

Type	Parts	Share
Duplo, Quatro and Primo	32	97%
Non-Buildable Figures (Duplo, Fabuland, etc)	1	3%

Most common parts in set 2321

Part	Color	Quantity
Duplo Brick 2 x 2 3437	Green	5
Duplo Brick 2 x 2 3437	Blue	5
Duplo Brick 2 x 2 3437	Red	5
Duplo Brick 2 x 2 3437	Yellow	5
Duplo Brick 2 x 4 3011	Red	2
Duplo Brick 2 x 4 3011	Green	2
Duplo Brick 2 x 4 3011	Yellow	2
Duplo Brick 2 x 4 3011	Blue	2

4 of the 7 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 2321 is exclusive: each one is found in at least one other set, which makes replacing a lost element easier.

Rebuilding set 2321 from another set

Share of the parts of set 2321 found in each of these similarly sized sets, counting shape, colour and quantity:

Set	Found	Parts	Release year
2362 Large Circus Bucket	94%	57	1995
2364 Circus Bucket Green	91%	42	1995
2326 Green Elephant Bucket XL	91%	66	1995
2368 XL Basic Bucket	91%	72	1995
2251 Horse 'n' Home	91%	72	1997

Set 2362 Large Circus Bucket supplies 94% of them: enough to build a good part of the model before filling in the rest piece by piece.

Size of set 2321 within its line

With 33 pieces, set 2321 ranks #479 out of 522 Duplo sets in our database, which have an average of 69 parts. Among the 121 sets released in 1996, it ranks #118. That is less than half the average Duplo set size.

Frequently asked questions

How many pieces does LEGO set 2321 Happy Birthday Building Set have?

LEGO set 2321 Happy Birthday Building Set has 33 pieces. It was released in 1996 as part of the Duplo theme.

What year was LEGO set 2321 released?

Set 2321 Happy Birthday Building Set was released in 1996 and belongs to the Duplo theme.

Which minifigures are included in set 2321?

LEGO set 2321 Happy Birthday Building Set does not include any minifigures.

Where can I find the building instructions for set 2321?

The instructions for LEGO set 2321 Happy Birthday Building Set can be downloaded free as a PDF from the official lego.com website, under “Building Instructions”, by entering the number 2321.

What is the main color of LEGO set 2321?

Yellow, with 10 out of 33 pieces, or 30%. Next come blue (27%) and red (21%).

How many different parts does set 2321 contain?

Set 2321 has 13 different lots (one shape in one color), covering 7 part shapes. Most common part: Duplo Brick 2 x 2 in green, with 5 copies.

Does LEGO set 2321 contain any exclusive parts?

No: every one of its parts is found in at least one other set.

Which similarly sized set contains the most parts from set 2321?

Set 2362 Large Circus Bucket, released in 1995: it supplies 94%, counting shapes, colors and quantities.