Choose a LEGO Sesame Street display case for the complete 21324 corner scene, with the buildings, street details and characters in their intended positions. Decide whether your usual view favours the street or the rooms before choosing the rear panel. Keep an XL case’s own dimensions and construction separate from other cases named for the same set.
The 21324 buildings and street details belong in one scene record
LEGO’s official 21324 description identifies the 123 Sesame Street building, Hooper’s Store, Big Bird’s nest and Oscar’s trash can. The rooms include Elmo’s bedroom and Bert and Ernie’s apartment. Retain the characters and small accessories you actually want to show instead of measuring the buildings alone.
The descriptive reference is over H24 × W36.2 × D21 cm. The same page’s rounded dimension widget shows W37 cm. Keep the descriptive metric tuple together; neither line is a maximum for every moved figure, raised accessory or modified layout.
A modular conversion is a different receiving arrangement. If you have added a baseplate, changed the street or enclosed the rear, show that actual build to the case supplier. An enclosure naming the original 21324 set does not establish capacity for a custom conversion.
An XL label belongs to one exact case
The following product descriptions were read on 19 October 2026. They use different dimensional boundaries, and one does not expose a model-specific numeric cavity. These are published records, not measured fit or protection results.
| Exact source | Published figures | Definition or receiving question |
|---|---|---|
| Wicked Brick | External W42 × D27 × H30.3 cm. | Clear cavity above the finished located base. |
| iDisplayit XL | Inside L39 × W26 × H30 cm; outside L41 × W28 × H31 cm. | Exact XL version and ordinary access with its secured top. |
| ICUANUTY | No model-specific numeric cavity in the body read. | Selected 21324 cavity, exterior, base and opening drawing. |
| Brick In It | Product W40 × D27 × H27 cm. | Whether the tuple describes inside or outside dimensions. |
| Songlection | Inside W38 × D23 × H25 cm. | The complete selected scene above its 10 mm WPC base. |
iDisplayit also describes the internal size as approximately 390 × 260 × 300 mm and mentions a shorter-width version. Retain the XL identifier with its own specification. A reference to another version is not evidence that the two have the same width or opening construction.
Songlection labels its tuple inside, while Wicked Brick expressly labels its tuple external. Do not compare their height numbers as if both were clear space above the model. Nor does a product title supply the missing boundary for Brick In It or the missing measurements on ICUANUTY’s mainly generic FAQ page.
Choose the street and room views before the rear panel
| Priority | Keep in the scene | Check at the final location |
|---|---|---|
| Street-facing scene | The corner, store, nest, trash can and chosen characters. | Whether buildings or a label hide a character from the usual approach. |
| Rooms and small details | The interior features you want to revisit. | Whether the chosen rear and shelf angle preserve that view. |
| Repositioned or modified display | All moved figures, accessories and any added structure. | The actual new outline and intended base locations. |
A printed rear becomes part of the view through the far side. A clear rear gives a different view of the rooms and the surroundings behind the case. Compare both from the actual shelf height and direction of approach; a compelling front photograph does not describe the opposite view.

The photograph illustrates why small room details can matter when choosing the viewing direction. It does not document an aftermarket base or demonstrate that a panel can be removed in the final enclosure. Treat viewing preference and handling access as separate decisions.
A secured top is not a removable lid by assumption
The exact iDisplayit XL description says the front, back, sides and top assemble with ten screws and that the top is secured to the rest of the case. Keep that specific construction statement. Do not replace it with a lid-slots-on-top instruction from a different iDisplayit product or with the site’s general fittings description.
Ask how this XL enclosure is opened for routine access, which parts are handled together and where they rest. The product’s internal dimensions establish a labelled receiving space, not the complete opening sequence. Decide how often you expect to reposition figures or revisit the rooms before selecting the case.
Wicked Brick separately describes a clear surround lifting from the base and returning to grooves. That is an explicit opening format for its own product. It does not make every Sesame Street case a lift-off enclosure or show how to open the XL product.
Keep the figures, material and optional accessories named
Wicked Brick describes embedded studs for the set and minifigures on a magnetically joined two-tier base. Request the actual receiving layout before assuming every character can sit anywhere on it. The magnetic joint connects base layers; it is not a statement that the LEGO buildings attach magnetically.
Songlection describes a 10 mm black WPC baseboard, 3 mm acrylic panels and acrylic connectors and screws. Preserve WPC as the stated material rather than calling it solid wood. Its references to optional lighting, printed backgrounds and stacking do not establish that each feature is included in the selected package.
ICUANUTY’s generic F1 compatibility, wall and stacking FAQ is not a 21324-specific instruction or load rating. Request the exact product drawing and supplied components. Do not fill that gap with dimensions from another seller merely because the same LEGO set appears in the title.
Record the final corner, view and opening together
Use the 21324 scene, views and XL-case worksheet. Keep the original or modified build, retained characters, actual whole outline, selected base and rear, labelled cavity, complete exterior and ordinary opening in one record.
The collection measurement guide covers the finished scene, while the LEGO shelf-case guide covers the confirmed enclosure at its intended location. Seinfeld’s separate stage and The Office’s slide-out module do not establish Sesame Street’s geometry or access.
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