Circuit training workouts are a fantastic way to build muscle and lose fat – but there are some things to know about how best to do it depending on your goals.

Plus, did you know you can mix up your circuits depending on your goals? Whether you're trying to lose body fat or build muscle, there's a smart way to train. Scroll on to find out exactly how.

Circuit training workouts are a fantastic way to build muscle and lose fat – but there are some things to know about how best to do it depending on your goals.

Squishy circuits teach the basics of conductivity, cooking, and clay modeling. Plus, you can use them to make scary skeleton cookies.