Retailer prices for 40584 are sorted by the latest lowest price.
Retailer pricesPrice history 40584
We check Dutch retailers every day. This graph shows the full daily-low price series we have for this set.
Daily lowest price tracked across 3 Dutch retailers. The dotted line marks LEGO's recommended retail price.
Source: daily measurement at 3 Dutch retailers, 15 Dec 2025 – 31 May 2026. RRP via LEGO.com.
| Date | Price | Retailer | Stock |
|---|---|---|---|
| €32,72 | Kitstore | In stock | |
| €32,72 | Kitstore | In stock | |
| €25,00 | Steentjesplein | In stock | |
| €27,96 | Kitstore | In stock | |
| €25,00 | Steentjesplein | In stock | |
| €27,97 | Kitstore | In stock | |
| €25,00 | Steentjesplein | In stock | |
| €28,00 | Kitstore | In stock | |
| €28,00 | Kitstore | In stock | |
| €27,97 | Kitstore | In stock | |
| €27,97 | Kitstore | In stock | |
| €27,97 | Kitstore | In stock |
Calibrated forecast based on historical pricing, seasonal patterns and retailer behavior. Tuned conservatively: rather cautious than optimistic.
Stronger signal than most sets in this theme. Waiting is a reasonable strategy.
How LEGO 40584 compares to RRP and history.
For LEGO Birthday Diorama (40584), we track 2 retailers in the Netherlands, with 2 currently in stock. The current lowest price is €25,00. Use price history and stock data to judge whether this is a good time to buy.
Say "Happy Birthday" in a stylish way!
All about this set
Background, build experience, collector context, and buying notes in one story.
For LEGO Birthday Diorama (40584), we track 2 retailers in the Netherlands, with 2 currently in stock. The current lowest price is €25,00. Use price history and stock data to judge whether this is a good time to buy.
Say "Happy Birthday" in a stylish way!
The current lowest price is €25,00 across 2 tracked retailers.
Instructions & specifications
Dimensions, pieces, build steps, and the official PDF building instruction.
Parts inventory
Known set data around pieces and build context.
Plates Special
![Plate Special 1 x 2 [Side Handle Closed Ends] (48336)](https://images.bricksdeal.com/parts/48336-15-4bfa89bff514.jpg)
Plate Special 1 x 2 [Side Handle Closed Ends]
Part ID 48336 · White
Qty 10
![Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] (61252)](https://images.bricksdeal.com/parts/61252-15-477f7af58568.jpg)
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]
Part ID 61252 · White
Qty 2
![Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] (61252)](https://images.bricksdeal.com/parts/61252-14-10cc276fded7.jpg)
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]
Part ID 61252 · Yellow
Qty 2
![Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] (61252)](https://images.bricksdeal.com/parts/61252-4-b470301279c1.jpg)
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]
Part ID 61252 · Red
Qty 2
![Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] (61252)](https://images.bricksdeal.com/parts/61252-10-efdebd3eaeed.jpg)
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]
Part ID 61252 · Bright Green
Qty 2
![Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] (61252)](https://images.bricksdeal.com/parts/61252-1-28c74ebba6f7.jpg)
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]
Part ID 61252 · Blue
Qty 2
Plate Special 2 x 2 with Groove and Center Stud (Jumper)
Part ID 87580 · Reddish Brown
Qty 2
Bricks
Brick 1 x 1
Part ID 3005 · White
Qty 8
Brick 1 x 1
Part ID 3005 · Dark Turquoise
Qty 8
Brick 1 x 4
Part ID 3010 · Lavender
Qty 7
Brick 1 x 2
Part ID 3004 · Lavender
Qty 5
Brick 1 x 1
Part ID 3005 · Bright Light Yellow
Qty 4
Brick 1 x 1
Part ID 3005 · Medium Nougat
Qty 4
Brick 1 x 1 x 5 with Solid Stud
Part ID 2453b · White
Qty 3
Brick 1 x 1 x 5 with Solid Stud
Part ID 2453b · Dark Turquoise
Qty 3
Brick 1 x 4
Part ID 3010 · Bright Light Yellow
Qty 3
Brick 1 x 2
Part ID 3004 · Bright Light Yellow
Qty 2
Brick 1 x 1
Part ID 3005 · Lavender
Qty 2
Brick 1 x 1
Part ID 3005 · Orange
Qty 2
Brick 1 x 3
Part ID 3622 · White
Qty 2
Bricks Round and Cones
Brick Round 1 x 1 Open Stud
Part ID 3062b · Reddish Brown
Qty 8
![Brick Round 2 x 2 Dome Bottom [Open Stud] (15395)](https://images.bricksdeal.com/parts/15395-322-f9701122f3da.jpg)
Brick Round 2 x 2 Dome Bottom [Open Stud]
Part ID 15395 · Medium Azure
Qty 1
![Brick Round 2 x 2 Dome Bottom [Open Stud] (15395)](https://images.bricksdeal.com/parts/15395-27-4803f4c63cf9.jpg)
Brick Round 2 x 2 Dome Bottom [Open Stud]
Part ID 15395 · Lime
Qty 1
Brick Round 2 x 2 Dome Top, Hollow Stud
Part ID 30367c · Lime
Qty 1
Plates Round Curved and Dishes
Plate Round 1 x 1 Swirled Top
Part ID 15470 · Bright Pink
Qty 4
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
Part ID 4032a · Reddish Brown
Qty 2
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
Part ID 4032a · Medium Nougat
Qty 1
Plate Round 4 x 4 with Pin Hole
Part ID 60474 · Medium Azure
Qty 1
Plates
Plate 2 x 2
Part ID 3022 · White
Qty 4
Plate 1 x 8
Part ID 3460 · Dark Bluish Gray
Qty 4
Plate 2 x 6
Part ID 3795 · White
Qty 3
Plate 2 x 2
Part ID 3022 · Dark Turquoise
Qty 2
Plate 1 x 2
Part ID 3023 · Medium Nougat
Qty 2
Plate 4 x 8
Part ID 3035 · Dark Tan
Qty 2
Plate 2 x 2
Part ID 3022 · Bright Pink
Qty 1
Plate 1 x 2
Part ID 3023 · Magenta
Qty 1
Plate 1 x 1
Part ID 3024 · Coral
Qty 1
Plate 1 x 1
Part ID 3024 · Bright Green
Qty 1
Plate 2 x 8
Part ID 3034 · Dark Tan
Qty 1
Plate 2 x 10
Part ID 3832 · White
Qty 1
Tiles
Tile 1 x 2 with Groove
Part ID 3069b · White
Qty 4
Tile 2 x 4 with Groove
Part ID 87079 · Medium Nougat
Qty 2
Tile 2 x 4 with Groove
Part ID 87079 · White
Qty 2
Bricks Special
Brick Special 1 x 4 with Masonry Brick Profile
Part ID 15533 · Medium Nougat
Qty 3
Brick Special 1 x 4 with 4 Studs on One Side
Part ID 30414 · White
Qty 2
Brick Special 1 x 2 with Masonry Brick Profile
Part ID 98283 · Medium Nougat
Qty 2
Brick Special 1 x 1 with Stud on 1 Side
Part ID 87087 · Magenta
Qty 1
Bars, Ladders and Fences
Antenna 1 x 4 with Flat Top
Part ID 3957b · White
Qty 2
Bricks Sloped
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Part ID 54200 · Magenta
Qty 2
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Part ID 54200 · Dark Turquoise
Qty 2
Stickers
Supports, Girders and Cranes
Support Round 2 x 2 x 2 Stand with Reinforced Underside
Part ID 19798 · Black
Qty 1
Minifig Accessories
Equipment Camera Handheld with Central Viewfinder
Part ID 30089b · Lime
Qty 1
Equipment Candlestick
Part ID 37762 · White
Qty 1
Energy Effects
Wave / Flame Small with Pin
Part ID 37775 · Trans-Orange
Qty 1
Retailer reviews
Summarized retailer review data when available.
All retailer prices
Current prices, stock and discounts per retailer.
Price context
Lowest, highest and average price for this set.
This context is based on 98 price points across 2 retailers. The chart on the page remains the full interactive source.
Price forecast
Conservative baseline for the next period.
Waiting is a reasonable strategy: the signal is stronger than many comparable sets.
FAQ & set details
Pieces, year, RRP and retailer coverage.
Other sets from the same theme for price comparison.
Quick answers about price, stock and set data.
