Kids Birthday Party Supplies

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  • Vampirina
  • Aquaman
  • Transformers
  • Spiderman
  • L.O.L. Surprise!
  • Unicorn
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  • Girls Vanellope Costume - Wreck-It Ralph 2 Quick View
    $34.99
    Girls Vanellope Costume - Wreck-It Ralph 2
    Review Rating: 5.00
    Online Only
  • Giant Sparkling Unicorn Pinata Quick View
    $34.99
    Giant Sparkling Unicorn Pinata 21in x 36in Pinata
  • Child Blue & Pink Flower Unicorn Horn Headband Quick View
    $5.99
    Child Blue & Pink Flower Unicorn Horn Headband 5 1/2in x 9in Fabric & Plastic Accessory
    Review Rating: 5.00
  • Mermaid Nail Stickers 118ct Quick View
    $3.00
    Mermaid Nail Stickers 118ct
  • Girls Vampirina Vee Costume Quick View
    $34.99
    Girls Vampirina Vee Costume
    Review Rating: 4.50
  • Galactic Unicorn Photo Booth Props 7ct Quick View
    $5.99
    Galactic Unicorn Photo Booth Props 7ct Cardstock & Plastic Props
  • Galactic Unicorn Blanket Quick View
    $9.99
    Galactic Unicorn Blanket 40in x 48in Polyester Blanket
  • Child Galactic Unicorn Knee-High Socks Quick View
    $3.99
    Child Galactic Unicorn Knee-High Socks
  • Magic Swipe Galactic Unicorn Backpack Quick View
    $12.99
    Magic Swipe Galactic Unicorn Backpack 7 1/2in x 13 1/4 Plastic & Polyester Bag
  • Child Vampirina Umbrella Quick View
    $9.99
    Child Vampirina Umbrella 26in x 20in Polyester & Metal Umbrella
  • Magic Swipe Galactic Unicorn Pillow Quick View
    $9.99
    Magic Swipe Galactic Unicorn Pillow 12in x 7 1/2in Plush Pillow
  • Giant Sparkling Unicorn Pinata Kit with Candy Quick View
    $53.99
    Giant Sparkling Unicorn Pinata Kit with Candy
  • Child Pink Unicorn Baseball Hat with Ponytail Quick View
    $11.99
    Child Pink Unicorn Baseball Hat with Ponytail 6in x 4in Cotton & Polyester Hat
  • Girls Felicity Costume - Rainbow Kitty Unicorn Quick View
    $34.99
    Girls Felicity Costume - Rainbow Kitty Unicorn
    Review Rating: 3.50
  • Glitter Galactic Unicorn Purse Quick View
    $9.99
    Glitter Galactic Unicorn Purse 8 1/2in x 7in Accessory
  • Custom Blast Off Birthday Invitations Quick View
    As low as $0.90
    Custom Blast Off Birthday Invitations
    Online Only
  • Dream Big Blanket Quick View
    $7.99
    Dream Big Blanket 40in x 48in Polyester Blanket
  • Child Vampirina T-Shirt Quick View
    $9.99
    Child Vampirina T-Shirt
  • Dry Erase Unicorn Board Quick View
    $6.99
    Dry Erase Unicorn Board 8 3/4in x 9in Cardboard Sign
  • Child Galactic Unicorn Tutu Quick View
    $9.99
    Child Galactic Unicorn Tutu
  • Custom Blast Off Birthday Thank You Notes Quick View
    As low as $1.00
    Custom Blast Off Birthday Thank You Notes
    Online Only
  • Giant Sparkling Unicorn Pinata Kit with Favors Quick View
    $51.99
    Giant Sparkling Unicorn Pinata Kit with Favors
  • Custom Blast Off Birthday Stickers Quick View
    As low as $0.20
    Custom Blast Off Birthday Stickers
    Online Only
  • Galactic Unicorn Pencil Pouch Quick View
    $6.99
    Galactic Unicorn Pencil Pouch 8in x 3 1/2in Plastic Pouch
  • Custom Blast Off Birthday Banners Quick View
    As low as $19.99
    Custom Blast Off Birthday Banners
    Online Only
  • Custom Blast Off Birthday Photo Banners Quick View
    As low as $19.99
    Custom Blast Off Birthday Photo Banners
    Online Only
  • Custom Blast Off Birthday Photo Invitations Quick View
    As low as $0.90
    Custom Blast Off Birthday Photo Invitations
    Online Only
  • Unicorn Phone Ring Holder Quick View
    $8.99
    Unicorn Phone Ring Holder 1 1/2in x 2 1/2 Phone Accessory
  • Giant Sparkling Unicorn Pinata Kit with Candy & Favors Quick View
    $51.99
    Giant Sparkling Unicorn Pinata Kit with Candy & Favors
  • Baby Unicorn Costume Quick View
    $29.99
    Baby Unicorn Costume
    Review Rating: 4.50
  • Girls Moonlight Unicorn Costume Quick View
    $39.99
    Girls Moonlight Unicorn Costume
    Review Rating: 4.50
    Online Only
  • Child Vampirina Hat Quick View
    $9.99
    Child Vampirina Hat 6 1/2in x 4in Cotton Hat
    Out Of Stock Online
  • Blast Off 3rd Birthday Party Kit for 32 Guests Quick View
    $52.99
    Blast Off 3rd Birthday Party Kit for 32 Guests
    Out Of Stock Online
  • Super Blast Off 2nd Birthday Party Kit for 32 Guests Quick View
    $109.99
    Super Blast Off 2nd Birthday Party Kit for 32 Guests
    Out Of Stock Online
  • Blast Off 2nd Birthday Lunch Napkins 16ct Quick View
    $2.49
    Blast Off 2nd Birthday Lunch Napkins 16ct 6 1/2in x 6 1/2in Paper Napkins
    Out Of Stock Online
  • Super Blast Off 3rd Birthday Party Kit for 32 Guests Quick View
    $109.99
    Super Blast Off 3rd Birthday Party Kit for 32 Guests
    Out Of Stock Online
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Discover our Incredible Collection of Themed Kids Birthday Party Decorations

Are you ready to put together an impressive kids birthday party? Party City can help you get started. Our collection of kids birthday party supplies and decorations can help you create a festive mood in no time. No matter what your child enjoys – be it video games, superheroes, movies, animals, toys or fantasy – Party City offers supplies for dozens of kids party themes so they can have the best day ever. You’re sure to find everything you need to create an amazing celebration!