A 21st birthday is a memorable occasion and an important milestone in a young adult's life, so you need to make sure your 21st birthday gift ideas are unforgettable. Gift an experience to help create those memories they will cherish for years to come like with a introductory trial helicopter flight in Auckland. If you're looking for 21st birthday ideas that will help them tick a goal off their bucket list, look no further than a tandem skydive in Auckland. For a thrill-seeking experience all their friends will want to do, the stunt car driving school is one of the best 21st birthday presents. Nail your 21st birthday gift ideas with an experience that'll create more memories than their party!