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Birthday Diorama

Snapshot

Per piece
4.5¢

Value per piece

cost per part at each reference

4.5¢lowest market value

Reference

Used market4.5¢
New market11¢
Set Retired

Birthday Diorama

Reference
40584-1
Theme
Seasonal
Year
2023
Parts
157
EAN
5702017434773

Birthday Diorama is a LEGO set from the LEGO Seasonal theme released in 2023. The set contains 157 parts.

New avg$17.99Used avg$7.04

Avg. 3rd-party market prices via BrickPicker, not CollectORbuild seller prices

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Value historytracking since Jul 25, 2026

Currently $17.99 new. We just started tracking this set’s value. The chart fills in as prices are re-checked over the coming weeks.

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Parts in this set (70)

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A peek at the pile. See the full list, grouped by color, on the parts page.

Sticker Sheet for Set 40584-1Photo shows a different color. This lot is (Not Applicable).1×Support Round 2 x 2 x 2 Stand with Reinforced UndersidePhoto shows a different color. This lot is Black.1×Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]2×Plate 1 x 13×Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]2×Brick 1 x 14×Brick 1 x 22×Brick 1 x 43×Torso Halter Top with White Flowers and Dark Pink Butterflies, and Dark Pink Heart Necklace Print, Yellow Arms and HandsPhoto shows a different color. This lot is Bright Pink.1×Plate 2 x 21×Plate Round 1 x 1 Swirled Top4×Plate 1 x 13×Hair Ponytail and Swept Sideways Fringe1×Legs Short1×View all 70 →