How many pieces does the LEGO Harley Quinn Cannonball Attack (70921-1) have?

The LEGO Harley Quinn Cannonball Attack set (70921-1) contains 425 pieces. It was released in 2018 as part of the LEGO Batman theme.

How can I find missing parts for LEGO set 70921-1?

On BrickMissing you can check which parts from the LEGO Harley Quinn Cannonball Attack (70921-1) you already own. Add your LEGO collection and we'll show exactly which of the 425 pieces you're missing and which you already have.

Can I build the LEGO Harley Quinn Cannonball Attack with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 425 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Harley Quinn Cannonball Attack from?

The LEGO Harley Quinn Cannonball Attack (70921-1) belongs to the LEGO Batman theme. You can browse all Batman sets on BrickMissing to find more sets from this theme.

Harley Quinn Cannonball Attack

🏷️ 70921-1•🎨 Batman•📅 2018•🧱 425 parts•Intermediate

Harley Quinn Cannonball Attack (70921-1) is a LEGO Batman from 2018. This page uses the available set and theme data until a fuller product description is available.

Parts Inventory

🧱 425 parts

Part	Color	Qty
Brick Curved 1 x 4 x 1 1/3 No Studs 10314	Black	2×
Equipment Magnifying Glass with Thick Frame and Solid Handle with Trans-Clear Lens with Target Aim print 10830pat0001pr0001	Black	1×
Bar Holder with Clip 11090	Reddish Brown	1×
Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom 11215	Red	2×
Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom 11215	Black	2×
Slope Curved 2 x 1 No Studs [1/2 Bow] 11477	Red	2×
Slope Curved 2 x 1 No Studs [1/2 Bow] 11477	Light Bluish Gray	2×
Plate Round 4 x 4 with 2 x 2 Round Opening 11833	Black	3×
Brick 1 x 1 x 3 14716	Light Bluish Gray	4×
Tile 2 x 2 Corner 14719	Black	1×

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Slope Curved 2 x 1 No Studs [1/2 Bow]	11477	Red	2×
Slope Curved 2 x 1 No Studs [1/2 Bow]	11477	Light Bluish Gray	2×
Plate Round 4 x 4 with 2 x 2 Round Opening	11833	Black	3×
Brick 1 x 1 x 3	14716	Light Bluish Gray	4×
Tile 2 x 2 Corner	14719	Black	1×
Tile Round 2 x 2 with Bottom Stud Holder	14769	Light Bluish Gray	1×
Tile Round 2 x 2 with Hole	15535	Red	1×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	Dark Bluish Gray	2×
Tile Special 1 x 1 with Clip with Rounded Edges	15712	Black	4×
Tile Special 1 x 1 with Clip with Rounded Edges	15712	Light Bluish Gray	1×
Tile Special 1 x 1 with Clip with Rounded Edges	15712	Red	2×
Plate Special Round 2 x 2 with Center Stud (Jumper Plate)	18674	Black	2×
Plate Round Corners 2 x 6 Double	18980	Red	1×
Tile Round 1 x 1 with Hollow Bar	20482	Trans-Clear	1×
Technic Pin Connector Hub with 1 Axle	22961	Light Bluish Gray	2×
Tile Special 1 x 2 Grille with Bottom Groove	2412b	Light Bluish Gray	2×
Tile Special 1 x 2 Grille with Bottom Groove	2412b	Dark Bluish Gray	4×
Plate 2 x 2 Corner	2420	Light Bluish Gray	2×
Tile Special 1 x 2 with Handle	2432	Black	2×
Brick 1 x 1 x 5 with Solid Stud	2453b	Light Bluish Gray	2×
Brick 1 x 2 x 5 with Hollow Studs	2454b	Light Bluish Gray	2×
Plate Special 1 x 2 Side Handle [Free Ends]	2540	Black	2×
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]	2654	Light Bluish Gray	8×
Tile 2 x 3	26603	Red	1×
Technic Pin with Friction Ridges Lengthwise and Center Slots	2780	Black	12×
Train Pantograph Shoe with Locking Hinge with 2 Fingers	2922	Pearl Titanium	1×
Brick Special 2 x 2 with 2 Pins and Axle Hole	30000	Dark Bluish Gray	4×
Brick 2 x 4	3001	Tan	2×
Brick 1 x 2	3004	Black	3×
Brick 1 x 2	3004	Light Bluish Gray	3×
Brick 1 x 1	3005	Black	2×
Brick 1 x 1	3005	White	6×
Equipment Camera Handheld with Central Viewfinder	30089b	Red	1×
Equipment Camera Handheld with Central Viewfinder	30089b	Black	1×
Brick 1 x 4	3010	Light Bluish Gray	3×
Brick 1 x 4	3010	Black	2×
Brick Curved 2 x 2, Two Top Studs	30165	Black	2×
Plate 2 x 4	3020	White	3×
Plate 2 x 4	3020	Black	3×
Plate 2 x 3	3021	Light Bluish Gray	2×
Plate 2 x 2	3022	Light Bluish Gray	2×
Plate 1 x 2	3023	Black	5×
Plate 1 x 2	3023	Trans-Orange	2×
Plate 1 x 2	3023	Trans-Yellow	2×
Plate 1 x 2	3023	Light Bluish Gray	10×
Plate 4 x 6	3032	Dark Bluish Gray	2×
Plate 4 x 6	3032	Red	2×
Plate 6 x 10	3033	Dark Bluish Gray	1×
Plate 2 x 8	3034	White	3×
Plate 4 x 8	3035	Dark Bluish Gray	1×
Bar 4L (Lightsaber Blade / Wand)	30374	White	3×
Rock 1 x 1 Crystal 5 Point	30385	Trans-Dark Blue	1×
Slope 45° 2 x 1 with Bottom pin, with Green and Red Buttons and Keypad Print	3040bpr0003	Light Bluish Gray	1×
Tile 1 x 2 with Groove	3069b	Red	6×
Tile 1 x 2 with Groove	3069b	Black	2×
Plate Special 3 x 2 with Rounded End, Hole	3176	Black	2×
Technic Brick 1 x 2 [2 Pin Holes]	32000	Light Bluish Gray	2×
Technic Axle and Pin Connector Angled #1	32013	Red	2×
Plate Special 1 x 2 with Door Rail	32028	Light Bluish Gray	2×
Plate Special 1 x 2 with Door Rail	32028	Black	5×
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin	32064a	White	2×
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced	32123b	Light Bluish Gray	2×
Technic Beam 1 x 5 Thick	32316	Black	2×
Technic Brick 4 x 4 with 2 x 2 Opening	32324	Light Bluish Gray	2×
Brick 1 x 2 x 2 with Inside Stud Holder	3245c	Light Bluish Gray	2×
Technic Ball Joint	32474	Red	1×
Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L	32828	Black	1×
Brick Curved 1 x 3 x 2	33243	Black	2×
Plate 1 x 8	3460	Light Bluish Gray	1×
Plate 1 x 3	3623	Dark Bluish Gray	3×
Slope Inverted 45° 2 x 1	3665	White	2×
Plate 1 x 6	3666	Black	3×
Plate 1 x 6	3666	Dark Bluish Gray	1×
Plate 1 x 6	3666	White	1×
Slope 65° 2 x 2 x 2 with Bottom Tube	3678b	Dark Bluish Gray	1×
Sticker Sheet for Set 70921-1	36849	Unknown	1×
Technic Brick 1 x 2 [1 Pin Hole]	3700	Black	2×
Technic Brick 1 x 8 [7 Pin Holes]	3702	Light Bluish Gray	2×
Technic Axle 4	3705	Red	1×
Technic Plate 2 x 4 [3 Holes]	3709	Black	2×
Plate 1 x 4	3710	Light Bluish Gray	1×
Plate 1 x 4	3710	Red	1×
Plate 1 x 4	3710	Black	4×
Technic Bush	3713	Light Bluish Gray	1×
Plate 2 x 6	3795	Black	1×
Steering Stand 1 x 2 with Black Steering Wheel	3829c01	Black	1×
Technic Brick 1 x 6 [5 Pin Holes]	3894	White	1×
Cone 2 x 2 x 2, Open Stud	3942c	Black	1×
Cone 2 x 2 x 2, Open Stud	3942c	White	1×
Plate 6 x 6	3958	Dark Bluish Gray	2×
Dish 4 x 4 Inverted [Radar] with Black Star, Red Circle Print	3960pr9992	White	2×
Animal, Rodent, Rat / Mouse [Plain]	40234	Light Bluish Gray	1×
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	4032a	Reddish Brown	3×
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	4032a	Dark Bluish Gray	1×
Seat / Chair 2 x 2 with Center Sprue Mark	4079b	Black	1×
Windscreen 2 x 6 x 2, Wide Top	4176	Trans-Brown	1×
Plate Special 2 x 2 with Grills	41862	Light Bluish Gray	1×
Technic Pin 1/2	4274	Black	12×
Slope 33° 3 x 1	4286	Light Bluish Gray	2×
Technic Axle Pin with Friction Ridges Lengthwise	43093	Black	4×
Equipment Weapon, Loudhailer / Speaker / Blaster / Space Gun	4349	Red	2×
Wedge Plate 4 x 4 with 2 x 2 Cutout	43719	Dark Bluish Gray	2×
Hinge Plate 1 x 2 Locking with 2 Fingers On End, with Groove, 9 Teeth	44302a	Light Bluish Gray	1×
Hinge Plate 1 x 2 Locking with 1 Finger on Side, with Groove	44567a	Dark Bluish Gray	1×
Plate Special 1 x 8 with Door Rail	4510	Light Bluish Gray	2×
Pneumatic T-Piece (T Bar) [New Style]	4697b	Light Bluish Gray	2×
Dish 2 x 2 Inverted [Radar]	4740	White	1×
Dish 2 x 2 Inverted [Radar]	4740	Black	1×
Dish 2 x 2 Inverted [Radar]	4740	Red	1×
Brick Special 1 x 1 with Studs on 2 Sides	47905	Red	1×
Plate Special 1 x 2 [Side Handle Closed Ends]	48336	Red	2×
Slope Curved 4 x 6 x 2/3 Triple Curved with 4 Studs	52031	Red	1×
Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes	55981	Light Bluish Gray	4×
Tyre 37 x 18 R Balloon	56891	Black	2×
Tyre 30.4 x 14 VR Solid	58090	Black	2×
Panel 1 x 6 x 5	59349	Light Bluish Gray	1×
Technic Axle 5.5 with Stop [Rounded Short End]	59426	Dark Bluish Gray	1×
Technic Axle Connector Smooth [with x Hole + Orientation]	59443	Light Bluish Gray	3×
Brick Arch 1 x 3 x 2 Curved Top	6005	Black	4×
Bar 7 x 3 with Double Clips (Ladder) [Straight Clips]	6020	Black	1×
Plate Special 1 x 2 with Clips Horizontal [Open O Clips]	60470b	Light Bluish Gray	2×
Plate Round 4 x 4 with Pin Hole	60474	Black	3×
Plate Round 4 x 4 with Pin Hole	60474	Red	6×
Brick Special 1 x 1 with Clip Horizontal	60476	Black	2×
Plate Special 1 x 2 with Handle on End [Closed Ends]	60478	Dark Bluish Gray	2×
Door Frame 1 x 4 x 6 Type 2	60596	Black	2×
Door 1 x 4 x 6 with 4 Panes and Stud Handle	60623	Dark Blue	2×
Brick Curved 1 x 2 x 1 1/3 with Curved Top	6091	White	2×
Brick Curved 1 x 2 x 1 1/3 with Curved Top	6091	Dark Blue	2×
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]	61252	Dark Bluish Gray	1×
Plate Round 1 x 1 with Solid Stud	6141	Trans-Light Blue	4×
Plate Round 1 x 1 with Solid Stud	6141	Black	1×
Plate Round 1 x 1 with Solid Stud	6141	Light Bluish Gray	20×
Plate Round 1 x 1 with Solid Stud	6141	Trans-Yellow	4×
Turntable 4 x 4 Square Base, Locking	61485	Black	1×
Container Box 2 x 2 x 2 - Top Opening	61780	Light Bluish Gray	2×
Plate Special 4 x 6 with Studs on 3 Edges	6180	Dark Bluish Gray	1×
Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole	6222	White	1×
Panel 1 x 1 x 1 Corner	6231	Dark Bluish Gray	1×
Panel 1 x 1 x 1 Corner	6231	White	2×
Technic Pin Connector Round [Slotted]	62462	Black	2×
Technic Pin Connector Round [Slotted]	62462	Light Bluish Gray	4×
Cylinder Half 2 x 4 x 4	6259	Black	2×
Tile 1 x 3	63864	Light Bluish Gray	2×
Tile 1 x 3	63864	Black	1×
Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3	64644	Black	4×
Flame / Headwear Accessory Plume / Feather, Triple Point	64647	Trans-Orange	1×
Equipment Dynamite Sticks	64728	Red	1×
Technic Axle 3 with Stud	6587	Dark Tan	1×
Tile 1 x 6 with Groove	6636	Black	1×
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]	85080	White	2×
Brick Special 1 x 1 with Stud on 1 Side	87087	Light Bluish Gray	2×
Panel 1 x 2 x 3 [Side Supports / Hollow Studs]	87544	Trans-Brown	2×
Panel 1 x 2 x 2 [Side Supports / Hollow Studs]	87552	Black	1×
Wedge 2 x 2 Facet	87620	Black	2×
Wedge 2 x 2 Facet	87620	Red	2×
Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm]	88072	Red	2×
Door 1 x 3 x 2 Left - Open Between Top and Bottom Hinge	92262	White	1×
Door 1 x 3 x 2 Right - Open Between Top and Bottom Hinge	92263	White	1×
Hinge Plate 2 x 2 Locking with 1 Finger on Top	92582	Light Bluish Gray	1×
Plate Special 1 x 4 with 2 Studs	92593	Light Bluish Gray	3×
Technic Steering / CV Joint Axle	92906	Dark Bluish Gray	2×
Brick Arch 1 x 6 Raised Arch	92950	Black	2×
Vehicle Body, Wheel Arch / Mudguard 3 x 4 x 1 2/3 Curved Front	93587	Red	1×
Brick and Axle Separator v2.0	96874	Orange	1×
Tile Round 1 x 1	98138	Trans-Clear	5×
Tile Round 1 x 1	98138	White	2×
Plate Special 1 x 4 with Coupling Link Double	98263	Light Bluish Gray	1×
Brick Special 1 x 2 with Masonry Brick Profile	98283	Medium Nougat	4×
Weapon Batarang	98721	Yellow	1×
Pneumatic Hose Connector with Axle Connector	99021	Dark Bluish Gray	2×
Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised	99206	Black	2×
Bar 1 x 12 with 1 x 2 Plate End with Hollow Studs and 1 x 1 Round Plate End	99784	Light Bluish Gray	1×

Build DNA

Parts inventory insights for Harley Quinn Cannonball Attack

425 pieces puts this build -44% against the average Batman set and +15% against the average 2018 release.

LEGOBATMAN

Vs average Batman set

-44%-335 parts

This set425

Average set760

Average Batman set: 760 pieces across 40 other sets.

Vs average 2018 set

+15%+57 parts

This set425

Average set368

Average 2018 set: 368 pieces across 447 other sets.

Color profile

22different colors

Dominant color

Black

Black130x

32%

Light Bluish Gray117x

29%

Red42x

10%

White36x

Unique parts

2.8 pieces per unique type

145

Repeat factor

Average pieces per unique type.

Most used part

Plate Round 1 x 1 with Solid Stud

29x

Results are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.

This site is not affiliated with or endorsed by the LEGO Group.

Build Insights🧩145unique parts🎨22different colors📊19.3avg. parts per color🏆29×Plate Round 1 x 1 with Solid Stud

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