LEGO Reviews Ideas21308

Adventure Time

Name: LEGO Adventure Time 21308
Brand: LEGO
SKU: 21308

67 · MIXED REVIEWSINVESTMENT GRADE: BB2016495 pcsHigh agreement · 93%

Expert reviews

4analyzed

Owner ratings

500

Countries

🇩🇪 🇺🇸2 markets

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

+5 more with Collector

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

+7 more with Collector

Build Facts what critics report

🧩 Difficulty

beginner

🎯 Audience

kids

In Their Words most-used terms across every critic review

characterscharacterdesignlimitedprincessfiguresshowbubblegumkingadventuretimeotherpartsideasarticulationgoodscaleplayonlyballseriespinkhairladyrainicornlookmissingmarceline

What reviewers are saying

"I like sets that have fallen into the paint pot (i.e., colorful, vibrant sets)."

Zusammengebaut

"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

Ecosystem

LEGO Easter Basket 40017 — The reviewer notes Lady Rainicorn's build style is reminiscent of the Easter Basket set in terms of construction approach.

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.

IdeasInvestment Grade

By Reviewer · 2

Avg score

Zusammengebaut 🇩🇪

Expert Video Source

BUY

"I like sets that have fallen into the paint pot (i.e., colorful, vibrant sets)."

Key Pros

✓Vibrant, colorful color palette
✓Individually printed faces and minifigure details
✓No stickers—printing only

Key Cons

✕Limited building complexity—mostly ball joints
✕Several figures are quite static (Princess Bubblegum and Ice King are simply constructed)

JUMP TO REVIEW

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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3 more critic reviews + 29 buyer takes

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Dimensional Analysis

Investment Layer

Critics discussed this set's investment case

Buy-now vs wait consensus, value drivers, exclusivity and resale outlook

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Minifigures & Standout Parts

Standout parts (per reviewers)

Printed small round eye parts
New printed elements used on Gunter and Jake for realistic eyes.
Individually printed face stones
Custom printed faces for Finn, Marceline, and other characters; no stickers used throughout the set, which is praised as a hallmark of LEGO Ideas.
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