How many pieces does the LEGO Birthday Diorama (40584-1) have?

The LEGO Birthday Diorama set (40584-1) contains 157 pieces. It was released in 2023 as part of the LEGO Seasonal theme.

How can I find missing parts for LEGO set 40584-1?

On BrickMissing you can check which parts from the LEGO Birthday Diorama (40584-1) you already own. Add your LEGO collection and we'll show exactly which of the 157 pieces you're missing and which you already have.

Can I build the LEGO Birthday Diorama with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 157 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Birthday Diorama from?

The LEGO Birthday Diorama (40584-1) belongs to the LEGO Seasonal theme. You can browse all Seasonal sets on BrickMissing to find more sets from this theme.

Birthday Diorama

🏷️ 40584-1•🎨 Seasonal•📅 2023•🧱 157 parts•Easy

Say 'Happy Birthday' in style with the LEGO Birthday Diorama (40584)! Craft a vibrant party scene, perfect for celebrating any LEGO fan's special day. This delightful diorama comes packed with festive details to bring the celebration to life. Discover colorful balloons, a lit candle, delicious-looking cakes, thoughtfully wrapped gifts, and clear 'Happy Birthday' signage. Once complete, this charming scene measures over 9 cm (3.5 in.) high, 8 cm (3 in.) wide, and 8 cm (3 in.) deep, making it a wonderful display piece for any festive occasion.

Parts Inventory

🧱 157 parts

Part	Color	Qty
Sticker Sheet for Set 40584-1 10102247	Unknown	1×
Brick Round 2 x 2 Dome Bottom [Open Stud] 15395	Medium Azure	1×
Brick Round 2 x 2 Dome Bottom [Open Stud] 15395	Lime	1×
Plate Round 1 x 1 Swirled Top 15470	Bright Pink	4×
Brick Special 1 x 4 with Masonry Brick Profile 15533	Medium Nougat	3×
Support Round 2 x 2 x 2 Stand with Reinforced Underside 19798	Black	1×
Brick 1 x 1 x 5 with Solid Stud 2453b	White	3×
Brick 1 x 1 x 5 with Solid Stud 2453b	Red	3×
Brick 1 x 2 3004	Bright Light Yellow	2×
Brick 1 x 2 3004	Lavender	5×

Showing 10 of 56 parts

🔓 Sign up to see all parts

Support Round 2 x 2 x 2 Stand with Reinforced Underside	19798	Black	1×
Brick 1 x 1 x 5 with Solid Stud	2453b	White	3×
Brick 1 x 1 x 5 with Solid Stud	2453b	Red	3×
Brick 1 x 2	3004	Bright Light Yellow	2×
Brick 1 x 2	3004	Lavender	5×
Brick 1 x 1	3005	White	8×
Brick 1 x 1	3005	Bright Light Yellow	4×
Brick 1 x 1	3005	Lavender	2×
Brick 1 x 1	3005	Red	8×
Brick 1 x 1	3005	Medium Nougat	4×
Brick 1 x 1	3005	Orange	2×
Equipment Camera Handheld with Central Viewfinder	30089b	Lime	1×
Brick 1 x 4	3010	Bright Light Yellow	3×
Brick 1 x 4	3010	Lavender	7×
Plate 2 x 2	3022	Red	2×
Plate 2 x 2	3022	Bright Pink	1×
Plate 2 x 2	3022	White	4×
Plate 1 x 2	3023	Magenta	1×
Plate 1 x 2	3023	Medium Nougat	2×
Plate 1 x 1	3024	Coral	3×
Plate 1 x 1	3024	Bright Green	3×
Plate 2 x 8	3034	Dark Tan	1×
Plate 4 x 8	3035	Dark Tan	2×
Brick Round 2 x 2 Dome Top, Hollow Stud	30367c	Red	1×
Brick Round 2 x 2 Dome Top, Hollow Stud	30367c	Lime	1×
Brick Special 1 x 4 with 4 Studs on One Side	30414	White	2×
Brick Round 1 x 1 Open Stud	3062b	Reddish Brown	8×
Tile 1 x 2 with Groove	3069b	White	4×
Plate 1 x 8	3460	Dark Bluish Gray	4×
Brick 1 x 3	3622	White	2×
Equipment Candlestick	37762	White	1×
Wave / Flame Small with Pin	37775	Trans-Orange	1×
Plate 2 x 6	3795	White	3×
Plate 2 x 10	3832	White	1×
Antenna 1 x 4 with Flat Top	3957b	White	2×
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	4032a	Reddish Brown	2×
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	4032a	Medium Nougat	1×
Plate Special 1 x 2 [Side Handle Closed Ends]	48336	White	10×
Slope 30° 1 x 1 x 2/3 (Cheese Slope)	54200	Red	2×
Slope 30° 1 x 1 x 2/3 (Cheese Slope)	54200	Magenta	2×
Plate Round 4 x 4 with Pin Hole	60474	Medium Azure	1×
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]	61252	White	2×
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]	61252	Yellow	2×
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]	61252	Red	2×
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]	61252	Bright Green	2×
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]	61252	Black	2×
Tile 2 x 4 with Groove	87079	Medium Nougat	2×
Tile 2 x 4 with Groove	87079	White	2×
Brick Special 1 x 1 with Stud on 1 Side	87087	Magenta	1×
Plate Special 2 x 2 with Groove and Center Stud (Jumper)	87580	Reddish Brown	2×
Brick Special 1 x 2 with Masonry Brick Profile	98283	Medium Nougat	2×

Build DNA

Parts inventory insights for Birthday Diorama

157 pieces puts this build -22% against the average Seasonal set and -73% against the average 2023 release.

LEGOSEASONAL

Vs average Seasonal set

-22%-45 parts

This set157

Average set202

Average Seasonal set: 202 pieces across 304 other sets.

Vs average 2023 set

-73%-420 parts

This set157

Average set577

Average 2023 set: 577 pieces across 506 other sets.

Color profile

21different colors

Dominant color

White

White44x

30%

Red18x

12%

Medium Nougat14x

Lavender14x

Unique parts

4.3 pieces per unique type

Repeat factor

Average pieces per unique type.

Most used part

Brick 1 x 1

28x

Results are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.

This site is not affiliated with or endorsed by the LEGO Group.

Build Insights🧩35unique parts🎨21different colors📊7.5avg. parts per color🏆28×Brick 1 x 1

🎨 All Seasonal sets 📅 All sets from 2023

← Back to Buildable Sets