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21st Birthday Gifts

Celebrating a 21st birthday is a milestone moment. It marks the official step into full adulthood, freedom, and all the memories yet to come. Our curated 21st birthday gifts collection at Firebox brings together unique, unforgettable presents that suit every personality and style.

Whether you’re hunting for unique 21st birthday gifts for him, thoughtful 21st birthday gifts for her or truly memorable keepsakes like personalised 21st birthday gifts, you’ll find something brilliant that makes this landmark age feel extra special. 

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    577 products

    Penis Mug
    Penis Mug
    £6.99 £8.99
    -22%
    Personalised Square Photo Poster
    Personalised Square Photo Poster
    £19.99
    Head Massager
    Head Massager
    £17.99 £24.99
    -28%
    Dirty Bitch Soap
    Dirty Bitch Soap
    £2.99 £3.99
    -25%
    Personalised “Where It All Began” Cushion Cover
    Personalised “Where It All Began” Cushion Cover
    £19.99
    Personalised 2 Photo Wedding Socks
    Personalised 2 Photo Wedding Socks
    £19.99
    You Can't Say Umm Game
    You Can't Say Umm Game
    £12.99 £19.99
    -35%
    Personalised Superhero Socks
    Personalised Superhero Socks
    £19.99
    Personalised Text and Photo Collage Poster
    Personalised Text and Photo Collage Poster
    £16.99
    Personalised Photo and Text Cushion Cover
    Personalised Photo and Text Cushion Cover
    £19.99
    Edible Anus
    Edible Anus
    £8.99 £12.99
    -31%
    Pulse Neck Massager
    Pulse Neck Massager
    £14.99 £19.99
    -25%
    Personalised Saint Yourself Keychain
    Personalised Saint Yourself Keychain
    £14.99
    Swearing Punch Ball
    Swearing Punch Ball
    £6.99 £9.99
    -30%
    Personalised Pornstar Martini Glass
    Personalised Pornstar Martini Glass
    £17.99
    Personalised Tote Bag with Monochrome Photos and Text
    Personalised Tote Bag with Monochrome Photos and Text
    £16.99
    Personalised Tote Bag
    Personalised Tote Bag
    £16.99
    Toilet Piano Mat
    Toilet Piano Mat
    £9.99 £15.99
    -38%
    Dumb Questions to Ask Your Friends Game
    Dumb Questions to Ask Your Friends Game
    £14.99 £19.99
    -25%
    After Dinner Nipples
    After Dinner Nipples
    £6.99
    World's Smallest Turntable
    World's Smallest Turntable
    £7.99 £11.99
    -33%
    Personalised Key Hanger with Monogram
    Personalised Key Hanger with Monogram
    £17.99
    Heated Cuddly Sloth
    Heated Cuddly Sloth
    £19.99 £24.99
    -20%
    Llama Pocket Pal Warmer
    Llama Pocket Pal Warmer
    £11.99
    Mini Plant Pot Naughty Gnomes
    Mini Plant Pot Naughty Gnomes
    £8.99 £12.99
    -31%
    Mini Plant Life Support
    Mini Plant Life Support
    £6.99 £9.99
    -30%
    Shower Steamers
    Shower Steamers
    from
    £4.99 £7.99
    Personalised Superhero Face Air Freshener (Set of 2)
    Personalised Superhero Face Air Freshener (Set of 2)
    £12.99
    Where the Fuck are My Keys?
    Where the Fuck are My Keys?
    £4.99 £7.99
    -38%
    Personalised Lunch Box With Message
    Personalised Lunch Box With Message
    £16.99
    Grip Strip
    Grip Strip
    from
    £2.99 £6.99
    Name That Porno
    Name That Porno
    £7.99 £9.99
    -20%
    Capybara Hot Water Bottle
    Capybara Hot Water Bottle
    £16.99 £19.99
    -15%
    Darth Vader Light With Sound
    Darth Vader Light With Sound
    £14.99 £24.99
    -40%
    Personalised Mug with Photo and Text
    Personalised Mug with Photo and Text
    £10.99
    Personalised Round Pet Keychain
    Personalised Round Pet Keychain
    £10.99
    Personalised sweater with illustration
    Personalised sweater with illustration
    £39.99
    Llama Lap Warmer
    Llama Lap Warmer
    £16.99 £19.99
    -15%
    Bottle Opener With Personalised Message
    Bottle Opener With Personalised Message
    £12.99
    Take A Number - Mini ticket dispenser
    Take A Number - Mini ticket dispenser
    £7.99 £11.99
    -33%
    Personalised Wrapping Paper: Face with Party Hat
    Personalised Wrapping Paper: Face with Party Hat
    £12.99
    Mini Greenhouse Grow Kit
    Mini Greenhouse Grow Kit
    £14.99 £19.99
    -25%
    Worst Case Scenario Apocalypse Survival Book
    Worst Case Scenario Apocalypse Survival Book
    £14.99
    Personalised Sweatshirt with Small Illustration
    Personalised Sweatshirt with Small Illustration
    £39.99
    Personalised Photo Key Hanger
    Personalised Photo Key Hanger
    £17.99
    Disco Ball Hanging Planter - Rainbow Edition
    Disco Ball Hanging Planter - Rainbow Edition
    £16.99 £39.99
    -58%
    Take Brighter Selfies - Selfie Light
    Take Brighter Selfies - Selfie Light
    £6.99 £9.99
    -30%
    Boombox Lunch Box
    Boombox Lunch Box
    £12.99 £19.99
    -35%
    Stressless Bath Light
    Stressless Bath Light
    £9.99
    Beer Buds
    Beer Buds
    £14.99 £19.99
    -25%
    Upside Down Wine Glass - Single
    Upside Down Wine Glass - Single
    £10.99 £12.99
    -15%
    Fart Sound Box
    Fart Sound Box
    £6.99 £9.99
    -30%
    Cockapoo Mug
    Cockapoo Mug
    £7.99 £12.99
    -38%
    Dashboard Jesus
    Dashboard Jesus
    £7.99 £11.99
    -33%
    Record Player Kitchen Timer
    Record Player Kitchen Timer
    £6.99 £9.99
    -30%
    Personalised Cool Mums & Dads Club Sweatshirt
    Personalised Cool Mums & Dads Club Sweatshirt
    £29.99
    Willy Egg Fryer
    Willy Egg Fryer
    £3.99 £5.99
    -33%
    Bob Ross By The Numbers Mini Kit
    Bob Ross By The Numbers Mini Kit
    £7.99 £10.99
    -27%
    Attenborough Plant Markers
    Attenborough Plant Markers
    £9.99 £12.99
    -23%
    Techno Toilet Light
    Techno Toilet Light
    £8.99 £12.99
    -31%
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    577 products