3 Spectacular Third Birthday Party Themes - Parties365 (2024)

It’s always a blast to throw a birthday party for your little one and there are endless ideas when it comes to party themes! To help you out, we’ve put together a list of our favorite 3rd Birthday Party Themes! Complete with ideas for decorations, balloons, outfits, favors and more, you’ll have everything you need to throw a totally spectacular Third Birthday Party for your little boy or girl!

I’m a sucker for puns and when it comes to milestone birthdays, especially in those early years, there are always playful ideas for turning your child’s age into the party theme! We’ve already put together First Birthday Ideas, Second Birthday Ideas and now we’re diving into Third Birthday Party Ideas! The party themes we’re highlight today are really great because they can easily be adapted for either a boy or a girl. Take a look and pick your favorite…

1. Young, Wild and Three

Is there anything wilder and freer than a three year old?! I adore this “Young, Wild and Three” bohemian theme for a child’s birthday party! You can throw together arrows, tropical decor, teepees, wild animals and call it a party! Here are some of our favorite party supplies to help bring this party theme to life!

Young, Wild and Three Party Decor Set

Complete with a blue and gold crown, glitter banner, cake topper and boho tribal banners, this adorable party set with have you ready to celebrate in no time!

Wild & Three Girl’s Shirt

This adorable bohemian floral wreath shirt is the perfect outfit for your little girl to wear for her 3rd Birthday Party! And it’s available in a variety of colors to match your decor!

Young Wild and Free Napkins

Custom co*cktail napkins are always a nice detail at a party and these are perfect for the Young, Wild and Three theme!

Young, Wild & Three Cake Topper

Whether you opt for a store bought, custom cake or bake one yourself, this glittery cake topper is the perfect detail to add on top!

Wild & Three Favor Bags

These customized Wild & Three favor bags are simply adorable and can be filled with your favorite party favor for guests to take home and enjoy!

Young, Wild & Three Balloon Set

Spell out your party theme for all the guests to see! These gold Young, Wild & Three balloons would look great over your feature table at the party!

2. Threenager Party Theme

We’ve all known a three year old that acts more like a teenager than a toddler, right?! If that’s your child, a “Threenager” themed party is the perfect way to celebrate! You can customize this theme for a girl or a boy, but it’s probably a better fit for your little diva darling! Glamorous sparkles come to mind with this theme’s decor, don’t you think?

Threenager Party Invitation

This sparkly pink invitation with a crown on the 3 is the perfect invitation for your little diva’s 3rd Birthday!

Threenager Party Banner

I love this playful “Little Miss Threenager” party banner! I’d hang it above your dessert table or as part of a photo booth!

Threenager Party Shirt

This personalized shirt will look darling on your daughter at her party! You can even customize the color to match your decor. Want a Threenager shirt more appropriate for a boy? Check out this one on Etsy.

Threenager Cake Topper

A glittery gold “Threenager” cake topper will delight guests on your homemade or store bought birthday cake!

3. Three-Rex Party Theme

Little kids, especially little boys, love dinosaurs, so a Three-Rex themed dinosaur birthday is sure to be a huge hit! Plus, with all the drama that comes with being three, a roaring creature seems like an appropriate mascot… am I right? lol Choose purple and pink decor for girls or stick with more traditional blues and greens for boys. Here are a few of our favorite Three-Rex party supplies…

Three-Rex Birthday Invitation

This Three-Rex invitation, available as a downloadable digital file, is just perfect and I love the color scheme. Plus, you can get a full set of matching cards, signs and graphics right here!

Three-Rex Balloon Set

This Three-Rex balloon set is absolutely fitting and all you need to tie your party theme to your decor!

Three-Rex Birthday Shirt

Your little one will look adorable running around in his own Three-Rex shirt at his party! Did you see that the “3” has a big bite out of it? So cute!

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We hope you found the perfect party theme for your soon to be Three Year Old! Be sure to Pin this post for later party planning!