A little moisture shouldn't get in the way of your high-octane adventures. Whether you're jet skiing through some waves or splashing into a lake, this HD Wide Angle Waterproof Action Cam lets you document your aquatic thrills in crisp 1080p recording.

One of the best things about owning a GoPro is you can take it anywhere -- even in the water swimming, diving, surfing, or just paddling around. Of course, losing or dropping it means it's lost to the depths. This trick uses a plastic soda bottle to make a simple, floating mount you won't lose under water.

The GoPro is many people's favourite action camera, and it's easy to understand why. It's versatile, powerful and sturdy. However, you'll probably get over the novelty of taking it on a bike ride or an underwater snorkelling session fairly quickly. Don't waste that money -- there are plenty of other creative ways to get even more out of your GoPro.

Harvey Norman is having a sale on action cameras and related accessories, with prices starting at just $3. You can also get an additional $25 off when you spend $150 or more. Noteworthy deals include the top-of-the-range GoPro Hero4 for $183 (RRP: $499.) Here are the links to the best deals.