LEGO Reviews Ideas21308

Adventure Time

Name: LEGO Adventure Time 21308
Brand: LEGO
SKU: 21308
Rating: 4.72 (500 reviews)

69 · MIXED REVIEWSINVESTMENT GRADE: BB2016495 pcsHigh agreement · 99%

Expert reviews

2analyzed

Owner ratings

500

Consensus

BUY

BrickScore

Mixed Reviews

Owners

Synthesized Verdict

"A 69 BrickScore captures the real divide: Adventure Time fans get a unique, colorfully faithful tribute to their favorite characters, but the $49.99 price, limited poseability, and non-minifigure scale leave general buyers feeling shortchanged, as confirmed by LEGO's own platform showing just 54% would recommend it."

Reviewers land in genuinely mixed territory on the 21308 Adventure Time set, with expert critics scoring it a 69 BrickScore: the brick-built characters capture the show's color palette and aesthetic charm, but limited poseability and a larger-than-minifigure scale that integrates poorly with other LEGO sets temper enthusiasm. Owner sentiment splits strikingly: Amazon buyers gave it 4.8 out of 5 stars across 471 ratings, but LEGO.com shoppers rated it only 3.38 out of 5, and LEGO's own platform shows just 54% would recommend it with a weak 2.8 out of 5 for value. The critic-versus-casual-buyer split is real, with hardcore fans and design enthusiasts enjoying the set while value-focused buyers consistently flagged the $49.99 price as hard to justify.

Where they split: The most notable split is between Amazon shoppers (4.8 out of 5) and LEGO.com buyers (3.38 out of 5), with only 54% recommending the set on LEGO's own platform. This reflects a genuine divide: passionate Adventure Time fans rate it highly, while general LEGO buyers are frequently frustrated by the price-to-content ratio. Expert reviewers from JANG and Brickset both land in mixed territory (70 and 68 respectively), aligning more with the skeptical end of the owner pool.

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LOVED (8)

01Color choices are vibrant and well-executed throughout all characters
02Characters faithfully capture the Adventure Time aesthetic given brick-built constraints
03Lady Rainicorn's articulation and versatility stand out among the builds
04Clever use of existing parts, including Uni-Kitty tail pieces for hair and ice crystal pieces
05Finn is exceptionally well-designed with faithful attire recreation
06Ice King's elaborate build with beard and crown is impressive
07LEGO Ideas box design praised as one of the best, with idyllic panorama packaging
08The set as a fan-originated Ideas product feels rewarding for supporters of the original concept

CRITICIZED (10)

01Jake has very limited poseability despite being a central character, with only 1-stud attached arms
02The brick-built scale does not integrate with minifigure-scale LEGO sets, limiting display options
03Box art uses post-production manipulation to make characters appear better-scaled than they are
04Missing the recurring snail character, a core Adventure Time Easter egg
05Some characters' arms are restricted by hair design (Marceline cannot play her axe guitar)
06Gunter is slightly oversized relative to other figures
07Ice King's hands come off easily during display
08Princess Bubblegum's monotonous pink color scheme and grey ball joints detract from her appearance
09Instruction manual uses standard material rather than the premium quality of earlier Ideas sets
10$49.99 price point repeatedly flagged as too high for the piece count and character count

What reviewers are saying

"This was originally a fan-made idea that made it through the LEGO Ideas website and process, got voted up by fans, and made into a real set."

JANG's LEGO Reviews

"Adventure Time has become exceptionally popular since the animated series began in 2010"

Brickset Reviews

Ecosystem

LEGO Dimensions Adventure Time sets — Beimo in this set is more stable and can stand on its own better than the LEGO Dimensions version, which was limited by leg build. However, the Dimensions sets used minifigure scale which the reviewer would have preferred.

Minifigure scale sets — The reviewer would have preferred a minifigure-scale set because these characters can't be integrated with the most popular LEGO stuff and have limited display possibilities at this larger buildable scale.

71246 Adventure Time Team Pack — The BMO figure in 71246 has more faithful proportions to the animated series, though this version maintains the three-studs-wide style consistent with the Ideas set

21307 Caterham Seven 620R — The Caterham is likely to appeal more to adults relative to children, whereas Adventure Time appeals more to children, reflecting different target demographics within the Ideas line

IdeasTier 2Investment Grade

By Reviewer · 2

Avg score

Consensus

BUY

JANG's LEGO Reviews

Expert Video Source

"This was originally a fan-made idea that made it through the LEGO Ideas website and process, got voted up by fans, and made into a real set."

Key Pros

✓Characters capture the Adventure Time aesthetic and proportions well
✓Color choices are excellent and well-executed
✓Good coordination with new trans pink Nexonite pieces from other sets

Key Cons

✕Jake has very limited poseability despite being a main character
✕Larger buildable scale doesn't integrate well with other LEGO sets

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Brickset Reviews

Editorial Source

BUY

"Adventure Time has become exceptionally popular since the animated series began in 2010"

Key Pros

✓LEGO Ideas box is one of the best yet with idyllic panorama design
✓Eight major characters from the show included
✓Finn is exceptionally well-designed with faithful attire recreation

Key Cons

✕The blocky brick-built design, while fitting the show's style, lacks the curves and smoothness that could make characters more accurate
✕Jake is less impressive due to loss of his signature rounded body shape in brick form

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Dimensional Analysis

Investment Layer

Buy now (0)Wait for sale (0)

Exclusivity

JANG's LEGO Reviews: LEGO Ideas exclusive set - this design came through the Ideas process and is the official realization of a fan-created concept

Brickset Reviews: LEGO exclusive through the Ideas line; wide retail distribution expected given the property's popularity

Resale

Brickset Reviews: Likely to retain value reasonably well due to the licensed property and Ideas exclusivity, though no strong aftermarket growth is projected

Minifigures & Standout Parts

Standout parts (per reviewers)

Inverted round 2x2 tile for Jake's mouth and nose
Custom printed part representing the character's face area
Inverted eyes (white on black rather than black on white)
Unique eye printing choice used on Jake and other characters
Trans pink Nexonite 1x1 pyramid pieces
Brand new color that was coordinated with another LEGO set (DC Superheroes Girls High School) released at the same time
Nexonite sealed pieces in black for Gunter's wings
Good part choice for representing the character's wings
Uni-Kitty tail pieces in tan for Lady Rainicorn's hair
Clever reuse of existing parts to represent the character's hair locks with high posability
Modified plates with bars at the end for Lady Rainicorn's leg articulation
Enables splayed leg poses

What Owners Say · summarized from 29 written reviews (LEGO, Amazon, Walmart)

Owners split sharply: devoted Adventure Time and LEGO fans love the creative character builds and display appeal, but many feel the $50 price is unjustifiable for 496 bricks, limited play value, and missing key characters.

COMMON PRAISE

COMMON COMPLAINTS

Buyer Ratings