
Crocodile
The Crocodile is one of three models built from the same 454 pieces in this Creator 3-in-1 set, with no extra bricks needed to switch between them. Using 101 distinct parts, the main build forms a crocodile in green and tan tones that can later be taken apart and rebuilt into two alternative animals.
- Set number
- 31121
- Year
- 2021
- Pieces
- 454
- Minifigures
- 0
- Theme
- Creator 3-in-1
- Different parts
- 101
Parts list 101
-
Brick Sloped 30° 1 × 1 × 2/3 (Cheese Slope)
× 41
-
Plate 1 × 2
× 19
-
Plate Special 1 × 2 5.9mm Centre Side Towball Socket
× 19
-
Plate 1 × 2
× 18
-
Plate 2 × 4
× 16
-
Brick Sloped 45° 2 × 2
× 14
-
Plate Special 1 × 1 with Tooth
× 14
-
Plate Round 1 × 1 with Open Stud
× 14
-
Brick Sloped 30° 1 × 2 × 2/3
× 13
-
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small
× 12
-
Plate 1 × 4
× 11
-
Plate 2 × 3
× 8
-
Plate 1 × 4
× 8
-
Plate Special 2 × 2 with Towball and Hole
× 8
-
Plate 2 × 3
× 7
-
Plate 1 × 2
× 7
-
Plate Special 1 × 2 with Three Teeth [Tri-Tooth]
× 7
-
Brick Sloped Inverted 45° 6 × 2 Double with 2 × 4 Recessed
No longer produced · last seen 2021
× 7
-
Plate Special 1 × 2 with End Towball
× 7
-
Plate 2 × 4
× 6
-
Plate 2 × 2
× 6
-
Tile Round 1 × 1 Quarter
× 6
-
Plate Round 1 × 1 with Open Stud
× 6
-
Plate 1 × 1
× 5
-
Brick Curved 2 × 2 × 2/3
× 5
-
Plate 2 × 2 Corner
× 4
-
Brick 1 × 2
× 4
-
Plate 2 × 2
× 4
-
Plate 2 × 2
× 4
-
Tile 1 × 1 with Groove
× 4
-
Brick Sloped Inverted 45° 2 × 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]
× 4
-
Brick Sloped Inverted 45° 2 × 1
× 4
-
Brick Curved 2 × 1 No Studs [1/2 Bow]
× 4
-
Plate Special 1 × 2 with 5.9mm Centre Side Towball
× 4
-
Plate Special 1 × 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)
× 4
-
Wedge Plate 2 × 2 Cut Corner
× 4
-
Brick Special 1 × 4 with 4 Studs on One Side
× 4
-
Plate Special 1 × 2 Rounded with 2 Open Studs
× 4
-
Plate Special 1 × 1 with Clip Light, Bar Hole [Thick Ring]
× 4
-
Wedge Plate 3 × 2 Right
× 4
-
Wedge Plate 3 × 2 Left
× 4
-
Brick Curved 1 × 1 × 2/3 Double Curved Top, No Studs
× 4
-
Brick Sloped 30° 1 × 1 × 2/3 (Cheese Slope)
× 4
-
Brick Special 1 × 2 × 1 2/3 with 8 Studs on 3 Sides
× 4
-
Bracket 1 × 2 - 1 × 2 Inverted
× 4
-
Plate Special 3 × 2 with Rounded End, Hole
× 3
-
Brick Sloped Inverted 45° 4 × 2 Double with 2 × 2 Recessed
× 3
-
Brick 1 × 2
× 2
-
Brick 1 × 2
× 2
-
Brick 1 × 6
× 2
-
Brick 1 × 4
× 2
-
Plate 2 × 3
× 2
-
Plate 1 × 6
× 2
-
Plate 1 × 6
× 2
-
Technic Pin 1/2 without Friction Ridges
× 2
-
Brick Sloped 33° 3 × 1
No longer produced · last seen 2024
× 2
-
Brick Curved 1 × 2 × 1 1/3 with Curved Top
× 2
-
Brick Curved 4 × 1 No Studs [Stud Holder with Symmetric Ridges]
× 2
-
Brick Special 1 × 2 with 2 Studs on 1 Side
× 2
-
Plate Special 1 × 2 with Pin Hole on Top
No longer produced · last seen 2023
× 2
No part matches this colour selection.
Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.
Spare parts (17)
These extra parts come with the set in case one gets lost.
-
Brick Sloped 30° 1 × 1 × 2/3 (Cheese Slope)
× 2
-
Plate 1 × 1
× 1
-
Tile Round 1 × 1 Half Circle
× 1
-
Tile Round 1 × 1 Quarter
× 1
-
Tile Round 1 × 1 Quarter
× 1
-
Tile 1 × 1 with Groove
× 1
-
Tile 1 × 1 with Groove
× 1
-
Technic Pin 1/2 without Friction Ridges
× 1
-
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small
× 1
-
Brick Sloped 30° 1 × 1 × 2/3 (Cheese Slope)
× 1
-
Brick Sloped 30° 1 × 1 × 2/3 (Cheese Slope)
× 1
-
Plate Round 1 × 1 with Open Stud
× 1
-
Plate Round 1 × 1 with Open Stud
× 1
-
Plate Round 1 × 1 with Open Stud
× 1
-
Plate Round 1 × 1 with Open Stud
× 1
-
Tile Round 1 × 1
× 1
-
Tile Round 1 × 1 with Offset Black Eye Print
× 1
Alternative models
A 3-in-1 set: the official LEGO® building instructions contain three models you can build from the same parts. View the official building instructions at LEGO® ↗
Fan models by Rebrickable users that you can build (mostly) from this set’s parts. Instructions are available from the designers.
- Megatron (Transformer Prime Cartoon) from LEGO Creator set 31121: Crocodile
- Transformer Vector Prime using lego creator 31121
- Transformer Scorponok/Scorpion from LEGO Creator set 31121: Crocodile
- Transformer King Grimlock/Dinosaur from LEGO Creator set 31121: Crocodile
- Transformer Armada Megatron Tank from LEGO Creator set 31121: Crocodile
- Transformer Galvatron from LEGO Creator set 31121: Crocodile
- 31121 Alternative Build Pack 11 in 1
- Big shark or Megalodon - Lego Creator 31121
- 31121 Edmontosaurus Annectens 1:32 scale
- Stegosaurus , 31121 Alternate Build
- 31121 Shark Dragon
- Two-headed Crocodile 31121
All 165 ideas at Rebrickable ↗
What can I build with it?Description
Three builds from one box
The idea behind Creator 3-in-1 sets is straightforward: the same 454 pieces produce three different models in turn, with the crocodile as the primary build shown on the main instructions. Trying all three versions means taking the model fully apart and reassembling it each time, rather than adding or removing pieces along the way. That makes the 454 pieces considerably more versatile than a single-build set and keeps the box interesting well beyond the first build.
101 parts behind a moving jaw
With 101 distinct parts, the crocodile gets a hinged jaw and a body posed in a low, crawling stance typical of the animal. Curved and angled specialty pieces do most of the work in shaping that silhouette, giving the model its characteristic profile. Checking the parts list on this page beforehand shows exactly which specialty pieces are included, which is useful if the crocodile needs to be rebuilt again after trying one of the alternate animals.
Dark green, olive, tan and white
The colour palette of dark green, olive green, tan and white stays close to a real crocodile's muted, scaly look while still working well across the set's alternate builds. It's a quieter palette than many Creator 3-in-1 sets use, which makes the pieces easy to repurpose for other animal or nature-themed creations later on. The exact colour breakdown, including how many pieces of each shade are included, is listed in full on this page.
A set for builders who like to rebuild
With no minifigures included, this set suits builders who enjoy experimenting and reassembling the same pieces into something new, rather than leaving one model on display permanently. At 454 pieces, there's enough material for a proper building session without the rebuilds themselves taking too long. Anyone planning to reuse individual pieces elsewhere can use the full list on this page as a reference, whether that means tracking down a specific curved piece or checking how many are left of a given colour.
FAQ
- How many pieces does the Crocodile set 31121 have?
- The set contains 454 pieces made up of 101 distinct parts, with no minifigures included.
- Can this set be rebuilt into something else?
- Yes, as a Creator 3-in-1 set, the same pieces can be rebuilt from the crocodile into two alternative animal models.
- What colours does the model use?
- Dark green and olive green form the base, with tan and white used for lighter details.



