Kids Birthday Party Supplies

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  • Unicorn
  • Mermaid
  • Vampirina
  • Wreck-It Ralph
  • PJ Masks
  • Jurassic World
  • L.O.L. Surprise!
  • Harry Potter
  • JoJo Siwa
  • Avengers
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  • Child Unicorn Knee-High Socks Quick View
    $3.99
    Child Unicorn Knee-High Socks
    Review Rating: 5.00
  • Gryffindor Knee-High Socks - Harry Potter Quick View
    $4.99
    Gryffindor Knee-High Socks - Harry Potter
  • Minnie Mouse Over-the-Knee Socks Quick View
    $6.99
    Minnie Mouse Over-the-Knee Socks
    Review Rating: 4.50
    Online Only
  • Adult Mismatched Thing 1 & Thing 2 Knee Socks - Dr. Seuss Quick View
    $6.99
    Adult Mismatched Thing 1 & Thing 2 Knee Socks - Dr. Seuss
  • Adult Cat in the Hat Crew Socks - Dr. Seuss Quick View
    $2.99
    Adult Cat in the Hat Crew Socks - Dr. Seuss
  • Adult Mismatched Cat in the Hat Knee Socks - Dr. Seuss Quick View
    $6.99
    Adult Mismatched Cat in the Hat Knee Socks - Dr. Seuss
  • Child Cat in the Hat Socks - Dr. Seuss Quick View
    $1.29
    Child Cat in the Hat Socks - Dr. Seuss
    Out Of Stock Online
  • Child Striped Monster High Knee Socks Quick View
    $5.99
    Child Striped Monster High Knee Socks
    Out Of Stock Online
  • Adult Mismatched Thing 1 & Thing 2 No-Show Socks - Dr. Seuss Quick View
    $1.29
    Adult Mismatched Thing 1 & Thing 2 No-Show Socks - Dr. Seuss
    Out Of Stock Online
  • Dr. Seuss Fox In Socks Board Book Quick View
    $3.50
    Dr. Seuss Fox In Socks Board Book 4 1/4in x 5 3/4in Board Book
    Out Of Stock Online
  • Child Thing 1 & Thing 2 Socks - Dr. Seuss Quick View
    $2.99
    Child Thing 1 & Thing 2 Socks - Dr. Seuss
    Out Of Stock Online
  • Child Mermaid Knee-High Socks Quick View
    $3.99
    Child Mermaid Knee-High Socks
    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!