Kids Birthday Party Supplies

  • Boys' Themes
    Save 10%
  • Girls' Themes
    Save 10%
  • Shop All 1st Birthday
  • Shop All Party Kits
  • LEGO
  • Space Themes
  • Splatoon
  • Llama Themes
  • Rainbow Butterfly Unicorn Kitty
  • Captain Marvel
  • Wonder Park
  • Harry Potter
  • Aquaman
  • Spiderman
  • Vampirina
  • L.O.L. Surprise!
  • Unicorn Themes
  • Mermaid Themes
  • JoJo Siwa
  • Narwhal
  • Friendly Farm
  • Young & Fab
of 1
View All
  • $9.99
    Strawberry Frooties Chewy Candy 360ct Net Wt. 38.8oz
    Review Rating: 5.00
  • $19.99
    Jelly Belly Jelly Beans 805pc 32oz Net Wt.
    Online Only
  • $12.99
    Giant Gummy Unicorn 1.76lb 28.2oz Net Wt.
    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!