LEGO® Ideas 21308 Adventure Time™

Market value

Market value (new, sealed) on November 7, 2026: $60.02 – 20% above RRP ($49.99). See the value history

LEGO® Ideas Adventure Time™ 21308 (1/9)
LEGO® Ideas Adventure Time™ 21308 (1/9)
LEGO® Ideas Adventure Time™ 21308 (2/9)
LEGO® Ideas Adventure Time™ 21308 (3/9)
LEGO® Ideas Adventure Time™ 21308 (4/9)
LEGO® Ideas Adventure Time™ 21308 (5/9)
LEGO® Ideas Adventure Time™ 21308 (6/9)
LEGO® Ideas Adventure Time™ 21308 (7/9)
LEGO® Ideas Adventure Time™ 21308 (8/9)
LEGO® Ideas Adventure Time™ 21308 (9/9)
The Lego set Adventure Time™ with the set number 21308 is part of the LEGO Ideas theme and is recommended for ages 9+. It was released in January 2017. The model has 495 pieces, and we estimate it takes around 1 hour to build. It was designed by Adrian Florea.52 Brickfact users have this set in their collection.
The box measures 10.3 x 7.5 x 2.4 in (26.2 x 19.1 x 6.1 cm). The recommended retail price is $49.99.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about $42.92.

Lego 21308 product data

Set Information

Set ID
21308
Theme
Pieces
495
Designer
Adrian Florea
Building Time
1 hour
Age Range
9+

Availability

Release
01/2017
Retiring Status
Retired (12/2018)

Price Information

RRP
$49.99
Insiders Points (for purchase at Lego)
325
Part Out Value
$42.92

Packaging

Packaging dimensions
10.3 x 7.5 x 2.4 in
EAN (GTIN13)
5702015879668

Popularity with Brickfact users

users have this set
52

52 Brickfact users have Adventure Time™ in their collection.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of November 7, 2026.

LEGO 21308 price trend

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value
$60.02
Growth vs. RRP
+20.1 % $49.99
Range
$56.40 – $63.68
Average
$58.32

Loading price history…

Official Set Description for LEGO 21308 Adventure Time™

Display and role-play with this LEGO® Adventure Time™ set, featuring eight buildable Adventure Time characters with an assortment of play-starting accessory elements. An ideal gift for fans of the popular Cartoon Network animated TV series.

  • Features eight buildable LEGO® brick Adventure Time™ characters: Finn, Jake, Princess Bubblegum, Lady Rainicorn, Marceline, BMO, Ice King and Gunter.
  • Finn, Princess Bubblegum, Marceline and Ice King each have movable arms.
  • Includes Finn’s sword.
  • Accessory elements include Marceline's axe-bass, BMO's joysticks and Ice King's translucent-blue stars.
  • Great for display or role-playing funny scenes from Cartoon Network's Adventure Time™ series.
  • Includes a booklet about the animated TV series and the fan designer of this set.
  • This set includes over 495 pieces.
  • Finn stands over 2” (6cm) tall.
  • Jake stands over 1” (5cm) tall.
  • Princess Bubblegum stands over 3” (10cm) tall.
  • Lady Rainicorn measures over 2” (7cm) tall and 7” (20cm) long.
  • Marceline stands over 3” (8cm) tall.
  • BMO stands over 1” (3cm) tall.
  • Gunter stands over 1” (4cm) tall.
  • Ice King stands over 4” (11cm) tall.

Building Instruction for LEGO 21308 Adventure Time™

LEGO 21308 Frequently Asked Questions

Is LEGO 21308 still available?
LEGO has retired 21308 Adventure Time™, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is $60.02.
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