Kids Birthday Party Themes (Printable Invitations & Decorations)

From jungle safaris to backyard butterflies — animal birthday invitations and party themes are perennial favorites for kids of every age. These themes work beautifully outdoors and photograph well in any setting.

For the little athlete who lives and breathes their sport. Sports birthday themes turn any party into a championship celebration — complete with personalized gear for every guest.

Unicorns, mermaids, fairies, princesses, and dragons — printable invitations and party themes that spark imagination and make every child feel like the hero of their own story.

For kids who love exploration, danger, and getting their hands dirty. These themes work great for backyard parties, park celebrations, and any kid who's always ready for the next mission.

Rockets, planets, astronauts, and Mars landings — space birthday themes for kids who dream about the stars. From classic outer space to full mission-mode exploration parties.

Fire trucks, race cars, trains, monster trucks — printable birthday invitations for the kid who knows every vehicle by name and has a collection to prove it. Endlessly popular with ages 2–7.

Flowers, roses, and rainbows — beautiful garden themes that feel fresh, colorful, and joyful. Perfect for spring and summer birthdays and any kid who loves the outdoors.

Ice cream and pizza themes that make the food table the center of the celebration. Kids love these — and they're incredibly easy to decorate around.

Monsters and robots — silly characters that kids find hilarious. Great for kids who love Halloween year-round or just want a party that feels a little different from everyone else's.

The first birthday only happens once. This theme is designed specifically for that milestone — artwork parents keep long after the party is over.