Lego® Teenage Mutant Ninja Turtles 79121 Turtle Sub Undersea Chase
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.
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 £137.93.
Lego 79121 product data
Set Information
Set ID
79121
Pieces
684
Designer
Jordan Scott
Building Time
2 hours
Age Range
7 - 14
Availability
Release
04/2014
Retiring Status
Retired (12/2014)
Price Information
RRP
£59.99
Insiders Points (for purchase at Lego)
480
Part Out Value
£137.93
i
Packaging
Weight
1.020 kg
Packaging dimensions
18.9 x 11.1 x 2.4 in
EAN (GTIN13)
5702015126977
Popularity with Brickfact users
- users have this set
- 12
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 31 October 2026.
Lego 79121 price trend
Average sale price on secondary marketplaces – not the new price at retailers.
- Current market value
- £112.59
- Growth vs. RRP
- +87.7 % £59.99
- Range
- £90.23 – £142.34
- Average
- £122.44
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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 £88.25, which is ~147% of the RRP of this set.
x1
Donatello
Teenage Mutant Ninja Turtles
2014
#tnt031
£8.55
i
Unique
x1
Leonardo
Teenage Mutant Ninja Turtles
2014
#tnt032
£7.18
Unique
x1
Leatherhead
Teenage Mutant Ninja Turtles
2014
#tnt033
£67.87
Unique
x2
The Kraang
Teenage Mutant Ninja Turtles
2014
#tnt034
£2.33
Unique
Building Instruction for LEGO 79121 Turtle Sub Undersea Chase
Part Lists for LEGO 79121 Turtle Sub Undersea Chase
LEGO 79121 Frequently Asked Questions
Is LEGO 79121 still available?
LEGO has retired 79121 Turtle Sub Undersea Chase, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is £112.59.
