Games, balloons, and bright colors -- a carnival is just like a birthday party, but better! So why not invite kids to a carnival-themed party in your backyard or a local park?

Feliz cumpleanos is how you say "happy birthday" in Spanish, but you don't have to know the language to understand the appeal of this fiesta, which can be held in your own backyard.

Make the most of the backyard's resilience to good messy fun with a water theme that allows children to splish and splash and parents not to worry about untidy results.

Transform your backyard into a magical woodland for your daughter and her fellow fairy princesses.

Baseball, a beloved pastime of both children and adults, has a timeless quality and makes a fun theme for a summer birthday.

Set up an obstacle course in your backyard filled with challenges of pure fun.

Bouncy and bright! Balloons and flowers are the theme for this backyard birthday party.

If the skater you love is about to celebrate a birthday, here is all you need to throw an awesome party at a skate park.

A round of mini golf is part skill, part luck, and all fun. And kids are natural pros, which makes it the perfect activity for a 7-year-old's birthday party.

Your gang of adventure-seekers will love a day devoted to rock-climbing.

Mission: Birthday. Objective: To send a manned party to the backyard to explore space-themed contests and treats.