10 Best Kids Gangster Costume in The UK

Last updated on 28/06/2025

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Best Choice

9.8

Exceptional

Fun Shack

Fun Shack Boys Gangster Costume - 1920s Kids Fancy Dress X-Large

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Why We Love It

Stylish design for little mobsters.
High-quality materials used throughout.
Perfect for dress-up occasions.

Main Highlights

Boys gangster costume includes a black and white pinstripe jacket and trousers with a white shirt insert and black tie, finished off with black bowler hat with white ribbon.
Available in sizes Small (4-6 Years), Medium (7-9 Years), Large (10-12 Years), X-Large (12-14 years). Please refer to size chart image for further size details.
High quality kids gangster costume, outfit features high quality details throughout and is completed with fantastic accessories including hat and tie.
Founded in 2009 by 3 friends with a passion for costumes, we now have 100's of designs all manufactured to high standards of quality, fit and design. We have offices in the US, UK and Europe
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CHILDS 1920's GANGSTER FANCY DRESS COSTUME - BLACK PINSTRIPE SUIT + WHITE TIE + BLACK TRILBY HAT + INFLATABLE TOMMY GUN - BOYS (10-12 YEARS)

Childs 1920s Gangster Fancy Dress Costume - Black Pinstripe Suit

Why We Love It

Authentic 20th Century design.
Includes complete costume accessories.
Perfect for themed parties.

Main Highlights

Kids 20th Century Gangster Costume
Includes: Detailed Pin-Striped Jacket and White Tie, Matching Comfortable Pin-Stripe Trousers, Black & White Hat and Inflatable Tommy Gun
Large: 10-12 Years Old - Chest: 28-30"/71-76cm - Length: 32"/81cm
Ideal for: 1920's Gangster and Flapper Themed Parties, General Fancy Dress and Bugsy Malone Fancy Dress
Childs 1920s Gangster Fancy Dress Costume

I LOVE FANCY DRESS ILFD7038XL Boys Gangster Costumes (Small)

Why We Love It

Sleek and stylish design.
Comfortable elasticated waistband.
Perfect for all occasions.

Main Highlights

CHILD'S PINSTRIPE SUIT COSTUME: Suit up and look suave at any fancy dress event you attend with our Child's Pinstripe Suit Costume, a simple yet perfect look for all fancy dress occasions!
SUIT DETAILS: The Child's Suit is a Two Piece Pinstripe covered Suit with a smart Jacket and matching Trousers with button fastening and an elasticated waistband, perfect for any costume ideas!
AVAILABLE IN MULTIPLE SIZES: This Child's Pinstripe Suit is available in multiple sizes, ranging from Small to X-Large: X-Large (12 - 14 years), Chest 30/32" (76/81cm), Length 34" (86cm)
QUALITY DESIGN: This Pinstripe Suit is a quality costume piece, with button up fastening and an elasticated waistband, it is designed with quality comfort, you'll never want to take it off!
PERFECT FOR ANY FANCY DRESS: Whether you're dressed to impress as a suave Spy, a smartly dressed Businessman or any other fancy dress idea, our Child's Pinstripe Suit is the perfect outfit for you!

CHILDS 1920's GANGSTER FANCY DRESS COSTUME - BLACK PINSTRIPE SUIT - JACKET

Why We Love It

Authentic 1920s gangster look.
Complete with matching accessories.
Available in four sizes.

Main Highlights

CHILDS 1920's GANGSTER FANCY DRESS COSTUME
INCLUDES: BLACK WITH WHITE PINSTRIPE SUIT, 2 BUTTONS, 2 POCKETS + MATCHING TROUSERS + WHITE TIE ON ELASTIC + WHITE TRILBY HAT WITH BLACK BAND
DOES NOT INCLUDE SHIRT & MOUSTACHE PICTURED
IN 4 APPROX SIZES: SMALL 4-6 YEARS | MEDIUM 7-9 YEARS | LARGE 10-12 YEARS | EXTRA LARGE 12-14 YEARS
I LOVE FANCY DRESS LTD

I Love Fancy Dress ILFD7038XL Boys Gangster Costumes (X-Large)

Why We Love It

Authentic 1920's design.
Perfect for themed events.
Premium quality material.

Main Highlights

Includes a black and white striped jacket, matching trousers and white tie
Suitable for 1920's themed fancy dress parties and events and school bugsy malone productions
Quality product of I Love Fancy Dress

1920s Black Pinstripe Gangster Child Costume Mafia Boys Book Week Fancy Dress (10-12 years)

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Why We Love It

Perfect for dress-up fun.
Comfortable fit for larger boys.
Complete outfit for easy styling.

Main Highlights

ideal for fancy dress parties!!
Fits a large boy 10 - 12 years
Includes jacket, trousers, hat and tie

Smiffys Zoot Suit Costume, Black with Jacket, Trousers & Braces, Boys Fancy Dress, 1920s Dress Up Costumes

6% Off

Why We Love It

Authentic Zoot Suit style.
Ideal for age 10-12.
Tested for safety standards.

Main Highlights

Includes Zoot Suit Costume, Black with Jacket, Trousers & Braces
Age 10-12, Waist 25.5-26.5" / Chest 30-31.5" / Height 58-63"
All our children’s costumes are tested to both EN71 and Nightwear (Safety) standards. This is to provide complete reassurance that all our children’s costumes are safe and fit for purpose.
Smiffys is a leading fancy dress supplier and family business with a 125 year heritage in costumes, wigs, make up and accessories.
Please note that all our Smiffys products will always come in full Smiffys branded packaging.

Child's Pinstripe Suit Costume - Large - Pinstripe Jacket, Trousers and Hat - Perfect for Spy Dress Up, Businessman Dress Up and Other Fancy Dress Events

Why We Love It

Perfect for themed parties.
Great selection of sizes.
Adorable and stylish look.

Main Highlights

Child Gangster Fancy Dress Costume Set
Black Pin Stripe Jacket + Matching Trousers + White Tie On Elastic + Black Hat With White Band - 56cm Head
In 4 Approx Sizes: Small: 4-6 Years Old - Chest: 24-26"/61-66cm - Length: 28"/71cm | Medium: 7-9 Years Old - Chest: 26-28"/66-71cm - Length: 30"/76cm | Large: 10-12 Years Old - Chest: 28-30"/71-76cm - Length: 32"/81cm | X Large: 12/14 Years Old - Chest: 30-32"/76-81cm - Length: 34"/86cm
Ideal For Gangsters & 1920s Fancy Dress
Child Gangster Fancy Dress Costume Set

Amlisia Old Man Costume for Kids, Kids Old Man Costume Accessories Grandpa Costume Set for Boys Kids for Cosplay Dress Up (Black)

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Why We Love It

Authentic old man transformation.
Adjustable and comfortable fit.
Great for various occasions.

Main Highlights

OLD MAN COSTUME SET - 100th day of school costume package features 1*deep gray fake beard & eyebrow kit, 1*gray false beard & eyebrow kit, 1*retro pocket watch, 1*glasses, 1*old man hat, 1*walking cane, 1*Y-back elastic suspender, and 1*black bow tie, old man costume set provides everything needed for an authentic old man transformation.
100TH DAY OF SCHOOL COSTUME - 1920s old man costume set gangster grandpa accessories set are made of quality material, suspender are made of polyester and pu leather, they has great elasticity and are lightweight; Old man hat and bow tie is made of soft polyester and beard eyebrow are made of cotton, the glasses and walking cane is made of durable plastic. The bow tie and y-back elastic suspender is adjustable, old man costume accessories can fit for most boys kids.
NERD COSTUME ACCESSORIES - Old man costume for kids has a wide application, grandpa accessories set are great for 100 days of school costume party, Halloween party, carnivals party, costume parties, dress up parties are etc. Whether for a themed celebration or a playful dress-up, our old man costume set nerd costume is a fantastic choice. This grandpa costume old person costume accessories adds a delightful touch to various occasions.
GANGSTER GRANDPA ACCESSORIES SET - Grandpa costume for kids are easy to use, the fake beard and eyebrow are self adhesive. You can DIY fake mustache and eyebrows to fit your child's needs! The old man costume accessories crutches are adjustable tubes suitable for small children of different heights. Retro pocket watches are something you can actually use to tell time, which is fun for kids! Having the old man costume set kit will make the 100th day of school an unexpected success!
KIDS OLD MAN ACCESSORIES - 1920s old man costume set for kids suitable size and great for your kids to wear on 100 day of school, Halloween, costume party and etc. Old man accessories grandpa accessories set also make thoughtful gifts for sons and children, who will be delighted with this exquisite gift!

8.8

Excellent

We scanned 773 products

We reviewed these offers relevant to the Kids Gangster Costume within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Fun Shack, I LOVE FANCY DRESS, HENBRANDT, Smiffys, Amlisia, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Kids Gangster Costume in the market, we considered we took a deep dive into 3866 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Fun Shack Boys Gangster Costume - 1920s Kids Fancy Dress X-Large. We love many things about this product by Fun Shack. What sets it apart from the competition is Stylish design for little mobsters. , High-quality materials used throughout. , Perfect for dress-up occasions. .
The best value product for most shoppers and where user satisfaction is continuously the highest is CHILDS 1920's GANGSTER FANCY DRESS COSTUME - BLACK PINSTRIPE SUIT + WHITE TIE + BLACK TRILBY HAT + INFLATABLE TOMMY GUN - BOYS (10-12 YEARS) by I LOVE FANCY DRESS based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Kids Gangster Costume and the best cost-to-value ratio is Smiffys Zoot Suit Costume, Black with Jacket, Trousers & Braces, Boys Fancy Dress, 1920s Dress Up Costumesat Smiffys with a 6% discount.
Our list of the best Kids Gangster Costume is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Kids Gangster Costume in The UK

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We concluded that: