How many pieces are in The Big Bang Theory?

The Big Bang Theory contains 484 pieces.

What age is The Big Bang Theory recommended for?

This set is recommended for ages 12+.

When was The Big Bang Theory released?

The Big Bang Theory was released in 2015.

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🏛 LEGO Ideas and CUUSOO

Set #21302

The Big Bang Theory

The Big Bang Theory set is a delightful tribute to the iconic sitcom.

Before you buy

Who it's for: Ages 12+ · Intermediate build Perfect for Big Bang Theory fans and LEGO enthusiasts aged 12+
Build: 484 pieces · about 4.5 hours Build time is an estimate.
Price: $59.99 list price · 12.4¢ per piece
Availability: Retired at LEGO

★★★★☆ 4.2 community rating from 519 ratings

Fans appreciate the accurate representation of the living room and the inclusion of all seven main characters. However, some find the build repetitive and the current market price high considering the piece count.

$59.99

Best Price

$53.99

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📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The Big Bang Theory set is a delightful tribute to the iconic sitcom. Capturing the essence of Leonard and Sheldon's living room, this set is packed with details that fans will instantly recognize and appreciate.

This set is perfect for fans of The Big Bang Theory and LEGO collectors alike. The build is engaging and the set offers a great display piece, bringing a touch of geek chic to any room.

Skip this if you're looking for complex building techniques or a large-scale model. Consider other LEGO Ideas sets like the Central Perk (21319-1) for a similar, yet different, display experience.

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🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

484

Pieces

⏱

4.5h

Estimated Build Time

📊

Intermediate

Difficulty

📏

22cm × 12cm × 8cm

Dimensions

Build Highlights:

Faithful recreation of Leonard and Sheldon's apartment
Clever use of parts to capture the cluttered look of the set
Fun details like the whiteboard and telescope
Enjoyable and relatively quick build

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

↑ Trending up since release

B+

Investment Grade

⏳ Retired

The Big Bang Theory set (21302-1) presents a reasonably good investment opportunity. As a retired LEGO Ideas set based on a popular TV show, it benefits from both the LEGO collector market and fans of the series. The set's increasing value since retirement indicates a strong demand. However, potential investors should be aware that the price has already seen significant appreciation, meaning future gains may not be as substantial. The set's relatively low piece count compared to its current market price might deter some investors, but its cultural significance and the enduring popularity of The Big Bang Theory could continue to drive demand.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

📖 About This Set

Build Leonard and Sheldon’s living room for display and role play!

Indulge your inner genius and build this LEGO® version of Leonard and Sheldon’s living room as seen in the hit American sitcom The Big Bang Theory! This set was created by two LEGO fan designers—Ellen Kooijman from Sweden and Glen Bricker from the USA—and selected by LEGO Ideas members. Featuring loads of authentic details to satisfy all The Big Bang Theory devotees and including minifigures of all seven main characters from the show, it’s ideal for display or role-play fun. Includes 7 minifigures with assorted accessory elements: Leonard, Sheldon, Penny, Howard, Raj, Amy and Bernadette.

Includes 7 minifigures with assorted accessory elements: Leonard, Sheldon, Penny, Howard, Raj, Amy and Bernadette
Features Leonard and Sheldon’s living room with all the iconic elements from the sitcom, including a telescope, whiteboard, DNA display model and various ornaments
Build an authentic replica of Leonard and Sheldon’s living room in LEGO® bricks!
Great for display or role-playing scenes from the TV series
Includes a booklet about the designers and the hit American sitcom
The perfect gift for LEGO® and The Big Bang Theory fans of all ages!
Measures over 3” (8cm) high, 8” (22cm) wide and 4” (12cm) deep

⚖ Compare Similar Sets

Central Perk

LEGO Ideas • 1,070 pcs

$59.99

The Office

LEGO Ideas • 1,164 pcs

Compared to other LEGO Ideas sets, The Big Bang Theory offers a more compact and character-focused experience than larger models like the Old Fishing Store (21310-1). Its appeal lies in the specific theme and recognizable setting from the TV show. Collectors interested in sitcom-based sets might also consider the LEGO Ideas Central Perk (21319-1), but The Big Bang Theory set offers a different kind of nostalgia.

7 Minifigures Included

Bernadette Rostenkowski

The set includes the seven main characters from The Big Bang Theory, making it highly desirable for minifigure collectors. These versions of the characters are exclusive to this set, increasing their collectible value.

📦 Parts Inventory

Official piece count: 484
Parts cataloged in this inventory: 102 unique parts, 470 pieces
Minifigures: 7

LEGO counts 484 pieces. This inventory comes from a separate parts catalog and lists 498, including the 28 parts inside the minifigures; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Brick Curved 1 x ...

Part #: 10314 2× Reddish Brown

Animal, Dog, Chih...

Part #: 12888pr0001 1× Medium Nougat

Brick Special 1 x...

Part #: 15533 6× Medium Nougat

Plate Special 1 x...

Part #: 15573 3× Medium Blue

Plate Special 1 x...

Part #: 15573 1× Black

Plate Special 1 x...

Part #: 15573 1× Orange

Plate Special 1 x...

Part #: 15573 2× Reddish Brown

Plate Special 1 x...

Part #: 15573 3× Dark Tan

Tile Special 1 x ...

Part #: 15712 1× Light Bluish Gray

Tile Special 1 x ...

Part #: 15712 2× Black

Weapon Harpoon [S...

Part #: 18041 1× Flat Silver

Support Round 2 x...

Part #: 19798 1× Black

Brick 2 x 2 Corner

Part #: 2357 6× Tan

Sticker Sheet for...

Part #: 23931 1× [No Color/Any Color]

Tile Special 1 x ...

Part #: 2412b 2× Black

Tile 1 x 4 with G...

Part #: 2431 2× Tan

Tile 1 x 4 with G...

Part #: 2431 1× Reddish Brown

Brick 1 x 1 x 5 w...

Part #: 2453b 1× Medium Nougat

Brick 1 x 2

Part #: 3004 1× Reddish Brown

Brick 1 x 2

Part #: 3004 7× Dark Orange

Part #: 3005 9× Reddish Brown

Brick 1 x 1

Part #: 3005 10× Medium Nougat

Brick 1 x 1 with ...

Part #: 3005pr0013 2× White

Brick 1 x 8

Part #: 3008 16× Tan

Brick 1 x 4

Part #: 3010 4× Reddish Brown

Equipment Crystal...

Part #: 30106 1× Trans-Clear

Equipment Crystal...

Part #: 30106 1× Medium Azure

Weapon Gun / Pist...

Part #: 30132 1× Dark Bluish Gray

Equipment Sextant

Part #: 30154 1× Dark Bluish Gray

Plate 2 x 4

Part #: 3020 1× Reddish Brown

Plate 2 x 4

Part #: 3020 16× Tan

Plate 2 x 2

Part #: 3022 1× Reddish Brown

Plate 2 x 2

Part #: 3022 1× Black

Plate 1 x 2

Part #: 3023 1× Black

Plate 1 x 2

Part #: 3023 1× White

Plate 1 x 2

Part #: 3023 11× Tan

Plate 1 x 2

Part #: 3023 10× Dark Orange

Plate 1 x 2

Part #: 3023 2× Dark Green

Plate 1 x 1

Part #: 3024 1× Dark Blue

Plate 1 x 1

Part #: 3024 13× Tan

Plate 1 x 1

Part #: 3024 2× Black

Plate 1 x 1

Part #: 3024 3× Red

Plate 1 x 1

Part #: 3024 20× Reddish Brown

Plate 1 x 1

Part #: 3024 3× Dark Green

Plate 6 x 16

Part #: 3027 2× Dark Tan

Plate Round Corne...

Part #: 30565 1× Tan

Brick Round 1 x 1...

Part #: 3062b 1× White

Brick Round 1 x 1...

Part #: 3062b 2× Black

Tile 2 x 2 with G...

Part #: 3068b 2× Red

Tile 2 x 2 with N...

Part #: 3068bpr0201 1× White

Tile 2 x 2 with S...

Part #: 3068bpr0273 1× Reddish Brown

Tile 1 x 2 with G...

Part #: 3069b 3× Blue

Tile 1 x 2 with G...

Part #: 3069b 2× Dark Orange

Tile 1 x 2 with G...

Part #: 3069b 1× Black

Tile 1 x 2 with G...

Part #: 3069b 1× Green

Tile 1 x 2 with G...

Part #: 3069b 2× Red

Tile 1 x 2 with G...

Part #: 3069b 12× Tan

Tile 1 x 2 with G...

Part #: 3069b 2× Reddish Brown

Tile 1 x 2 with G...

Part #: 3069b 1× Light Bluish Gray

Tile 1 x 2 with G...

Part #: 3069b 4× Dark Red

Tile 1 x 2 with C...

Part #: 3069bpr0030 1× White

Tile 1 x 2 with J...

Part #: 3069bpr0090 1× Dark Bluish Gray

Tile 1 x 2 with V...

Part #: 3069bpr0150 1× Dark Orange

Tile 1 x 2 with V...

Part #: 3069bpr0151 1× Dark Bluish Gray

Tile 1 x 1 with G...

Part #: 3070b 4× Dark Bluish Gray

Tile 1 x 1 with G...

Part #: 3070b 4× Tan

Tile 1 x 1 with G...

Part #: 3070b 8× Dark Red

Tile 1 x 1 with G...

Part #: 3070b 2× White

Tile 1 x 1 with G...

Part #: 3070b 3× Dark Blue

Tile 1 x 1 with G...

Part #: 3070b 4× Blue

Plate Special 1 x...

Part #: 32028 1× Tan

Technic Ball Joint

Part #: 32474 1× Light Bluish Gray

Part #: 3623 3× Reddish Brown

Part #: 3710 5× Reddish Brown

Plate 1 x 4

Part #: 3710 2× Black

Plate 2 x 10

Part #: 3832 2× Reddish Brown

Plate 2 x 10

Part #: 3832 3× Dark Orange

Equipment Cup / M...

Part #: 3899 1× Red

Hinge Brick 1 x 2...

Part #: 3937 1× Light Bluish Gray

Brick Round 2 x 2...

Part #: 3941 2× Reddish Brown

Plate Round 2 x 2...

Part #: 4032a 1× Black

Plate Round 2 x 2...

Part #: 4032a 1× Blue

Plate Round 2 x 2...

Part #: 4032a 1× Red

Brick Special 1 x...

Part #: 4070 6× Reddish Brown

Brick Special 1 x...

Part #: 4070 1× Green

Brick Special 1 x...

Part #: 4070 2× Dark Bluish Gray

Bar 1 x 4 x 2 wit...

Part #: 4083 1× White

Part #: 42446 4× Black

Technic Pin 1/2 w...

Part #: 4274 4× Light Bluish Gray

Plate 1 x 10

Part #: 4477 3× Reddish Brown

Brick Round 1 x 1...

Part #: 4588 1× Dark Bluish Gray

Tap 1 x 1 without...

Part #: 4599b 4× Blue

Tap 1 x 1 without...

Part #: 4599b 1× Green

Tap 1 x 1 without...

Part #: 4599b 4× Red

Tap 1 x 1 without...

Part #: 4599b 2× Black

Dish 2 x 2 Invert...

Part #: 4740 1× Light Bluish Gray

Dish 2 x 2 Invert...

Part #: 4740 1× Black

Plate Special 1 x...

Part #: 48336 1× Black

Panel 1 x 2 x 1 [...

Part #: 4865b 2× Light Bluish Gray

Window 1 x 4 x 6 ...

Part #: 57894 1× White

Glass for Window ...

Part #: 57895 1× Trans-Clear

Cone 1 x 1 [Top G...

Part #: 59900 1× Trans-Red

Cone 1 x 1 [Top G...

Part #: 59900 2× Trans-Yellow

Cone 1 x 1 [Top G...

Part #: 59900 2× Flat Silver

Cone 1 x 1 [Top G...

Part #: 59900 4× Black

Plate Round 4 x 4...

Part #: 60474 1× Light Bluish Gray

Plate Round 4 x 4...

Part #: 60474 1× Dark Brown

Door Frame 1 x 4 ...

Part #: 60596 1× White

Door 1 x 4 x 6 Sm...

Part #: 60616b 1× Nougat

Brick Curved 1 x ...

Part #: 6091 4× Tan

Brick Curved 1 x ...

Part #: 6091 2× Reddish Brown

Plate Special 1 x...

Part #: 61252 2× Tan

Hinge Brick 2 x 2...

Part #: 6134 1× Black

Plate Round 1 x 1...

Part #: 6141 1× Green

Plate Round 1 x 1...

Part #: 6141 5× Black

Plate Round 1 x 1...

Part #: 6141 2× Light Bluish Gray

Plate Round 1 x 1...

Part #: 6141 1× Trans-Yellow

Plate Round 1 x 1...

Part #: 6141 1× Trans-Green

Plate Special 4 x...

Part #: 6179pr0015 1× White

Panel 1 x 1 x 1 C...

Part #: 6231 2× Light Bluish Gray

Plate Special 1 x...

Part #: 63868 2× Black

Bar 6L with Stop ...

Part #: 63965 1× White

Weapon Lightsaber...

Part #: 64567 1× White

Equipment Telesco...

Part #: 64644 1× Black

Technic Brick 1 x...

Part #: 6541 3× Reddish Brown

Technic Brick 1 x...

Part #: 6541 1× Blue

Tile 1 x 6 with G...

Part #: 6636 2× Dark Blue

Hose Rigid 3mm D....

Part #: 75c08 1× Light Bluish Gray

Tile 2 x 4 with G...

Part #: 87079 2× Blue

Tile 2 x 4 with P...

Part #: 87079pr0080 1× White

Brick Special 1 x...

Part #: 87087 4× Dark Orange

Brick Special 1 x...

Part #: 87087 11× Tan

Panel 1 x 2 x 2 [...

Part #: 87552 1× Reddish Brown

Plate Special 2 x...

Part #: 87580 1× Dark Tan

Plate Special 2 x...

Part #: 87580 1× Orange

Plate Special 2 x...

Part #: 87580 1× Green

Plate Special 2 x...

Part #: 87580 1× Black

Plate Special 2 x...

Part #: 87580 2× Dark Red

Plate Special 2 x...

Part #: 87580 3× Dark Blue

Bar 3L

Part #: 87994 1× Light Bluish Gray

Minifig Trophy St...

Part #: 90398 1× Blue

Minifig Trophy St...

Part #: 90398 1× Dark Red

Plate 16 x 16

Part #: 91405 1× Dark Tan

Bar 1L with Top S...

Part #: 92690 1× Light Bluish Gray

Plate Special 1 x...

Part #: 92692 1× Black

Lipstick with Lig...

Part #: 93094pat0001 1× Red

Lipstick with Lig...

Part #: 93094pat0001 1× Medium Lavender

Brick and Axle Se...

Part #: 96874 1× Orange

Equipment Cutlery...

Part #: 97781 3× Bright Light Orange

Equipment Cutlery...

Part #: 97782 3× Bright Light Orange

Equipment Dish / ...

Part #: 97783 3× Bright Light Orange

Equipment Cupcake...

Part #: 97784 3× Bright Light Orange

Equipment Dish Re...

Part #: 97785 1× Bright Light Orange

Equipment Spatula...

Part #: 97787 1× Bright Light Orange

Equipment Frying ...

Part #: 97790 1× Bright Light Orange

Equipment Measuri...

Part #: 97791 1× Bright Light Orange

Equipment Hand Mi...

Part #: 97793 1× Bright Light Orange

Brick Round 2 x 2...

Part #: 98100 1× White

Tile Round 1 x 1

Part #: 98138 1× White

Tile Round 1 x 1

Part #: 98138 1× Trans-Clear

Brick Special 1 x...

Part #: 98283 11× Medium Nougat

Bracket 1 x 2 - 1...

Part #: 99781 1× Black

The set features a good selection of Tan and Medium Nougat bricks, useful for creating realistic interior designs. The inclusion of masonry bricks adds texture and detail to MOCs.

🛒 Where to Buy

LEGO (UK)

✓ In Stock

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£49.99

eBay

✓ In Stock

$53.99 →

Walmart

✓ In Stock

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$56.99

Target

✓ In Stock

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$59.99

LEGO (DE)

✓ In Stock

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€59.99

LEGO (US)

✓ In Stock

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$59.99

LEGO (CA)

✓ In Stock

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$69.99

💎 Notable Parts

Tan Plate 2 x 4 (16x) $0.80

Tan Brick 1 x 8 (16x) $1.60

Medium Nougat Brick Special 1 x 2 with Masonry Brick Profile (11x) $3.30

Tan Brick Special 1 x 1 with Stud on 1 Side (11x) $2.75

Dark Orange Plate 1 x 2 (10x) $1.00

Est. BrickLink Part Value

$9.45

💡 MOC Potential

🏙 Expand the apartment building to include Penny's apartment

🧙 Create a diorama of the comic book store

🚗 Build Sheldon's spot on the couch as a standalone display

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

1 video found

BlockTalk AI

The Hidden Brick's unboxing video highlights the set's packaging, which opens like a pizza box. The set contains numbered bags and an instruction manual, and features the main characters as minifigures.