Turtle Sub Undersea Chase

LEGO^® Teenage Mutant Ninja Turtles 79121 Turtle Sub Undersea Chase

Name: LEGO® Teenage Mutant Ninja Turtles Turtle Sub Undersea Chase 79121
Brand: LEGO
SKU: 79121
Availability: InStock

Current best price

LEGO 79121 is currently available from $237.64 incl. shipping at Walmart.com. Only one retailer in our comparison stocks it.

View the deal at Walmart.com

Updated October 30, 2026 at 11:00 PM EDT

LEGO® Teenage Mutant Ninja Turtles Turtle Sub Undersea Chase 79121 (1/1)

LEGO 79121 price comparison: where is it cheapest?

Prices incl. shipping to the US · Prices updated October 30, 2026 at 11:00 PM EDT

Walmart.comBest price

$237.64

free shipping

Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers. How Brickfact compares prices

iFurther information

The Lego set Turtle Sub Undersea Chase with the set number 79121 is part of the LEGO Teenage Mutant Ninja Turtles theme and is recommended for ages 7 - 14. It was released in May 2014. It includes 5 minifigures. The model has 684 pieces, and we estimate it takes around 2 hours to build. It was designed by Jordan Scott.12 Brickfact users have this set in their collection.

The set weighs about 1.020 kg. The box measures 18.9 x 11.1 x 2.4 in (48 x 28.2 x 6.1 cm). The recommended retail price is $59.99.

Our Brickfact Lego price comparison compares the prices of 1 shop for this set. It is currently cheapest at Walmart.com for $237.64 including shipping. That is $0.35 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 $192.24.

Lego 79121 product data

Set Information

Set ID

79121

Theme

Teenage Mutant Ninja Turtles

Pieces

684

Designer

Jordan Scott

Building Time

2 hours

Age Range

7 - 14

Minifigures

Availability

Release

04/2014

Retiring Status

Retired (12/2014)

Price Information

RRP

$59.99

Insiders Points (for purchase at Lego)

390

Part Out Value

$192.24

Packaging

Weight

1.020 kg

Packaging dimensions

18.9 x 11.1 x 2.4 in

EAN (GTIN13)

5702015126977

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Popularity with Brickfact users

users have this set: 12
most collected in LEGO Teenage Mutant Ninja Turtles: #9

12 Brickfact users have Turtle Sub Undersea Chase in their collection. It ranks #9 among the most-collected Teenage Mutant Ninja Turtles sets on Brickfact.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of October 31, 2026.

LEGO 79121 price trend

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

Current market value: $150.74
Growth vs. RRP: +151 % $59.99
Range: $120.80 – $190.57
Average: $163.93

Loading price history…

LEGO 79121 price history: how has the price changed?

Brickfact has been recording retailer prices since 10/12/2026. Best price so far: $237.64 (3 days ago).

Current best price: $237.64 +296% vs. RRP
Best price since 10/12/2026: $237.64 +296% vs. RRP · 3 days ago

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

Retailer	Current	Lowest price	Date
Walmart.com	$237.64	$237.64	10/31/26

As of: 10/31/2026, 02:01 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 79121 Turtle Sub Undersea Chase

The Turtle Sub Undersea Chase set includes 4 different minifigures, 4 of which are unique to this set. The combined value of the minifigures is $80.71, which is ~135% of the RRP of this set.

Donatello

Teenage Mutant Ninja Turtles

2014

#tnt031

$9.83

Unique

Leonardo

Teenage Mutant Ninja Turtles

2014

#tnt032

$8.63

Unique

Leatherhead

Teenage Mutant Ninja Turtles

2014

#tnt033

$56.53

Unique

The Kraang

Teenage Mutant Ninja Turtles

2014

#tnt034

$2.86

Unique

Building Instruction for LEGO 79121 Turtle Sub Undersea Chase

Part Lists for LEGO 79121 Turtle Sub Undersea Chase

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 79121 Frequently Asked Questions

How much does LEGO 79121 Turtle Sub Undersea Chase cost?

The lowest price in the Brickfact price comparison is currently $237.64 incl. shipping at Walmart.com. The RRP is $59.99.

Where can I buy LEGO 79121 cheapest?

Only one retailer in the Brickfact price comparison currently stocks LEGO 79121: Walmart.com ($237.64).

Is LEGO 79121 still available?

LEGO has retired 79121 Turtle Sub Undersea Chase. New copies are still available at 1 retailers in our price comparison while stocks last.

When was LEGO 79121 cheapest?

Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 79121 was $237.64 on 10/28/2026 at Walmart.com, including shipping. Amazon prices are not included.