Hire a DJ, set up a dance floor, and let your teen and their friends boogie down in disco attire. Head back to the 70s with this fun party theme. And don’t forget to find someone to bring them to the event so they’re surprised! Disco Party Get your kid’s friends to help plan and set up the party to ensure it stays a secrete from your teen. Or book a pre-arranged hunt in your town for the celebration. Set up the hunt on your own using locations special to your teenager. While you may think scavenger hunts are just for kids, take the clues and locations up a notch for a teen-friendly birthday adventure. These unique ideas are perfect for celebrating your teen’s big day. And that means you’ll need some memorable 18th birthday party ideas to get your party planning started. But there’s something about the 18th birthday that makes it extra special. Birthdays are a big deal, no matter what age you are.