Kids Birthday Party Supplies

  • Shop All Party Kits
  • Shop All Boys Themes
  • Shop All Girls Themes
  • Unicorn
  • Mermaid
  • Wreck-It Ralph
  • PJ Masks
  • Jurassic World
  • Incredibles
  • L.O.L. Surprise!
  • Harry Potter
  • JoJo Siwa
  • Avengers
  • Sesame Street
of 1
View All
  • Rainbow Stripe Birthday Suspenders Quick View
    Now $4.99 Was:$9.99
    Rainbow Stripe Birthday Suspenders Elastic & Fabric Accessory
    Out Of Stock Online
  • Cat in the Hat Suspenders - Dr. Seuss Quick View
    $9.99
    Cat in the Hat Suspenders - Dr. Seuss
    Out Of Stock Online
of 1
View All

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!