Sonic the Hedgehog™ – Green Hill Zone

LEGO^® Ideas 21331 Sonic the Hedgehog™ – Green Hill Zone

Name: LEGO® Ideas Sonic the Hedgehog™ – Green Hill Zone 21331
Brand: LEGO
SKU: 21331
Availability: InStock

Current best price

LEGO 21331 is currently available from $109.00 incl. shipping at Walmart.com. Only one retailer in our comparison stocks it.

View the deal at Walmart.com

Updated October 23, 2026 at 3:01 AM EDT

LEGO® Ideas Sonic the Hedgehog™ – Green Hill Zone 21331 (1/9)

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LEGO 21331 price comparison: where is it cheapest?

Prices incl. shipping to the US · Prices updated October 23, 2026 at 3:01 AM EDT

Walmart.comBest price

$109.00

free shipping

iFurther information

The Lego set Sonic the Hedgehog™ – Green Hill Zone with the set number 21331 is part of the LEGO Ideas theme and is recommended for ages 18+. That makes it a set mainly for adults. It was released in January 2022. It includes one minifigure. The model has 1,125 pieces, and we estimate it takes around 3 hours to build. It was designed by Samuel Johnson.1,212 Brickfact users have this set in their collection.

The set weighs about 1.043 kg. The box measures 15 x 10.3 x 2.8 in (38.2 x 26.2 x 7.1 cm). The recommended retail price is $79.99.

Our Brickfact Lego price comparison compares the prices of 1 shop for this set. It is currently cheapest at Walmart.com for $109.00 including shipping. That is $0.10 per piece. Unfortunately, the set is currently not available below its recommended retail price.

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 $97.88.

Lego 21331 product data

Set Information

Set ID

21331

Theme

Ideas

Pieces

1125

Designer

Samuel Johnson

Building Time

3 hours

Age Range

18+

Minifigures

Availability

Release

01/2022

Retiring Status

Retired (12/2024)

Price Information

RRP

$79.99

Insiders Points (for purchase at Lego)

520

Part Out Value

$97.88

Packaging

Weight

1.043 kg

Packaging dimensions

15 x 10.3 x 2.8 in

EAN (GTIN13)

5702017153124

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Popularity with Brickfact users

users have this set: 1,212
buyers in the last 12 months: 61
most collected in LEGO Ideas: #9

1,212 Brickfact users have Sonic the Hedgehog™ – Green Hill Zone in their collection. 61 users bought it in the last 12 months. It ranks #9 among the most-collected Ideas sets on Brickfact.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of October 23, 2026.

LEGO 21331 price trend

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

Current market value: $45.50
Growth vs. RRP: −43.1 % $79.99
Range: $43.40 – $48.26
Average: $47.13

Loading price history…

LEGO 21331 price history: how has the price changed?

Brickfact has been recording retailer prices since 10/12/2026. Best price so far: $109.00 (11 days ago).

Current best price: $109.00 +36% vs. RRP
Best price since 10/12/2026: $109.00 +36% vs. RRP · 11 days ago

Lowest price per retailer (since 10/12/2026)

Since 10/12/2026, Walmart.com was the cheapest on 12 of 12 recorded days.

Retailer	Current	Lowest price	Date
Walmart.com	$109.00	$109.00	10/23/26
Bestbuy.com	–	$148.99	10/14/26

As of: 10/23/2026, 06:01 UTC

Lowest price per day that Brickfact recorded at the retailers in the price comparison, including shipping where known – as in the comparison above. Amazon offers are not included in the price history.

Minifigures from 21331 Sonic the Hedgehog™ – Green Hill Zone

The Sonic the Hedgehog™ – Green Hill Zone set includes 1 different minifigures, 1 of which are unique to this set. The combined value of the minifigures is $8.24, which is ~10% of the RRP of this set.

Sonic the Hedgehog

LEGO Ideas

2022

#idea104

$8.24

Unique

Official Set Description for LEGO 21331 Sonic the Hedgehog™ – Green Hill Zone

Celebrate a pop culture icon and showcase the gameplay of a true classic with this LEGO® Ideas Sonic the Hedgehog™ – Green Hill Zone model (21331). Enjoy quality time with no distractions, recreating authentic details of the Green Hill Zone, including a palm tree, bridge loop, rings, TV screens, Dr. Eggman’s Eggmobile and a spring for Super Sonic Jumps.

Iconic characters
Arrange the level in your own way and bring it to life with a Sonic the Hedgehog minifigure and Dr. Eggman, Moto Bug and Crabmeat figures. Step-by-step building instructions are included and – like in the game – you collect Chaos Emeralds as you progress. A display stand for the 7 Emeralds and Sonic minifigure completes a colorful centerpiece. All in all, it’s the best Sonic nostalgia gift for yourself or any fan.

Endless possibilities
Welcome to LEGO sets for adults: a space to relax and build detailed models that pay homage to the worlds of gaming, history, travel, sport, science, technology and entertainment.

Recreate the Green Hill Zone in LEGO® bricks – Recapture the magic of Sonic the Hedgehog™ with this LEGO Ideas model of an all-time classic platform game level (21331)
Iconic characters – A Sonic the Hedgehog™ LEGO® minifigure, plus brick-built figures of Dr. Eggman with his buildable Eggmobile, Moto Bug with 2 face options, and Crabmeat
Authentic obstacles and details – Build a palm tree, bridge loop and lever-activated spring for Super Sonic Jumps, plus 7 rings and 2 buildable TVs with 5 screen elements and 5 sticker options
Collect Chaos Emeralds, just like in the game – Earn an emerald for every build you complete and display all 7 on the stand with Sonic
Gift idea for fans – This 1,125-piece LEGO® model makes a nostalgic birthday or holiday gift for millennial Sonic the Hedgehog™ fans who enjoy mindful activities to unwind
Display piece – The buildable Green Hill Zone measures over 7 in. (17 cm) high, 14 in. (36 cm) wide and 2.5 in. (6 cm) deep. It may be rearranged and connects easily to extra sets
Step-by-step guide – Includes a premium-quality, illustrated booklet featuring the set’s fan designer and LEGO® designers, plus illustrated instructions to ease the building experience
The LEGO® fans’ choice – This set for adults is one of many exciting LEGO Ideas sets, each created by a fan designer, voted for by thousands of LEGO fans and produced by the LEGO Group
High quality – Since 1958, LEGO® bricks have met strict industry quality standards to ensure secure connections and robust buildable models
Safety assured – LEGO® components are thoroughly tested to make sure that they comply with stringent global safety standards

Building Instruction for LEGO 21331 Sonic the Hedgehog™ – Green Hill Zone

Part Lists for LEGO 21331 Sonic the Hedgehog™ – Green Hill Zone

Part list on Bricklink.com

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Part list on Rebrickable.com

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Part list on Brickset.com

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LEGO 21331 Frequently Asked Questions

How much does LEGO 21331 Sonic the Hedgehog™ – Green Hill Zone cost?

The lowest price in the Brickfact price comparison is currently $109.00 incl. shipping at Walmart.com. The RRP is $79.99.

Where can I buy LEGO 21331 cheapest?

Only one retailer in the Brickfact price comparison currently stocks LEGO 21331: Walmart.com ($109.00).

Is LEGO 21331 still available?

LEGO has retired 21331 Sonic the Hedgehog™ – Green Hill Zone. New copies are still available at 1 retailers in our price comparison while stocks last.

What is the LEGO Ideas Sonic the Hedgehog - Green Hill Zone model (21331) about?

The LEGO Ideas Sonic the Hedgehog - Green Hill Zone model (21331) is a set that allows you to recreate the iconic Green Hill Zone level from the Sonic the Hedgehog game. It includes various elements such as palm trees, a bridge loop, rings, TV screens, Dr. Eggman's Eggmobile, and a spring for Super Sonic Jumps.

Which characters are included in the LEGO Ideas Sonic the Hedgehog - Green Hill Zone model (21331)?

The set includes a Sonic the Hedgehog minifigure, as well as brick-built figures of Dr. Eggman with his buildable Eggmobile, Moto Bug with two face options, and Crabmeat.

What are some of the authentic obstacles and details included in the LEGO Ideas Sonic the Hedgehog - Green Hill Zone model (21331)?

The set features a palm tree, a bridge loop, and a lever-activated spring for Super Sonic Jumps. Additionally, it includes seven rings and two buildable TVs with five screen elements and five sticker options.

How can you collect Chaos Emeralds in the LEGO Ideas Sonic the Hedgehog - Green Hill Zone model (21331)?

Similar to the game, you can earn a Chaos Emerald for every build you complete with this LEGO set. The set includes a display stand where you can showcase all seven Chaos Emeralds, along with the Sonic minifigure.

When was LEGO 21331 cheapest?

Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 21331 was $109.00 on 10/12/2026 at Walmart.com, including shipping. Amazon prices are not included.