collectors

Nature & Wildlife

Plants, birds, bugs, fossils & finds.

Music & Records

Wax, tape, picks & posters.

Toys & Figures

Plastic legends, plush pals & studs.

Books, Comics, Manga & Games

Stories you keep on the shelf.

Collectibles

Pocket-sized obsessions.

21 categories · 14,276 catalogued by usersAll categories Collect something we’ve never heard of? Make your own category and start tracking, today
LEGO Sets

Birthday Diorama

other • 157 pcs

Set number
40584-1
Availability
Retired
Pieces
157
Released
2023
Theme
Other
Minifigures
2
Barcode
5702017434773
23,406sets in the catalog
0copies listed for sale
Buy

Where to find one

Search for Birthday Diorama on the marketplaces collectors use.

Listings from external marketplaces. We may earn a commission on qualifying purchases.

Provenance

Where it came from

The Birthday Diorama, set 40584-1, was released by the LEGO Group in 2023 as a promotional seasonal gift. It was designed to function as a compact, decorative display piece, reflecting the company's broader initiative to create small, buildable sets intended for gifting during celebratory milestones. The set features a clean, minimalist aesthetic that fits within the tradition of LEGO lifestyle and display models, prioritizing charm and giftability over complex building techniques.

The design employs a simple, modular platform that serves as a stage for brick-built birthday accessories, including a cake, balloons, and decorative banners. By utilizing a neutral color palette accented with primary colors, the designers aimed to make the diorama versatile enough for any age demographic. Upon its release, the set was noted by the collector community for its accessibility and its effectiveness as an uncomplicated, cheerful desk accessory or party favor.

Written by Pi, the helpful collecto.rs AI

Collectors

Who's collecting this

Real LEGO sets collectors on collecto.rs who have this in their public collection.

Nobody public has added this set yet — be the first.
About

About Birthday Diorama

Birthday Diorama is a set in the LEGO Sets catalog on collecto.rs. Other • 157 pcs. Catalog data is sourced from Brickset. No collectors on collecto.rs publicly track this set yet — adding yours would make you the first.

How many collectors track Birthday Diorama on collecto.rs?

Birthday Diorama doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.

Can I track my own copy of Birthday Diorama?

Yes. collecto.rs is free — sign up to log your set, upload photos, record condition, edition, and acquisition cost, and connect with other LEGO sets collectors. Your collection stays private by default.

Where does the Birthday Diorama catalog entry come from?

The catalog entry for Birthday Diorama is sourced from Brickset. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.

Is tracking LEGO sets free on collecto.rs?

Yes. Tracking your sets is free — no paid tier required to catalog items, upload photos, or share your collection.

Track every set you own

Free. Fun. Collection photos, notes, organization, value tracking, friends — all in one place.

Sign up free