Birthday Party Supplies

Make their special day unforgettable with unique birthday party supplies. Browse popular kids’ themes, milestone birthdays, and check out trending collections for their next birthday bash.

Birthday Themes They'll Love

Memorable Milestones

The Big One

Go all out for their first birthday.

Shop 1st Birthday

Fresh & New

Sweeten Their Day

Treat them to a cake-themed birthday bash.

Shop Happy Cake Day

Share your birthday joy! #PartyCity

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Host the Ultimate Bash with Themed Birthday Party Supplies

It's easy to make birthday parties fun for everyone with our huge selection of birthday party supplies! No matter what age you're celebrating, we've got everything you need to make their day, and yours, extra special. Choose from hundreds of adult and kids' birthday supplies like themed invitations, birthday party decorations, balloons, tableware, party favors, and fun gag gifts. Our curated party kits come with themed birthday party decorations and supplies in just the right quantities for your celebration. These all-in-one kits have tableware, balloons, and decorations that match the birthday celebrant's theme and is an easy way to throw a festive birthday party, in no time. Add a personal touch to birthday parties with our personalized products. You can customize banners, cups, and napkins with their birthday theme or even display cardboard cutouts of the birthday celebrant throughout the party. Don't settle for your typical birthday party. Go all out with our incredible selection of birthday party supplies.