Grab an exercise ball and start sculpting your muscles with these beach body-approved stability ball exercises that can be done in the gym or at home.

You can use an exercise ball in a number of ways, and since it doesn’t take up a lot of space it’s an excellent piece of home workout equipment.

Don’t dismiss the Swiss ball just because it looks like a kid’s toy. The Swiss ball—also called stability ball, fitness ball, balance ball, or exercise ball—creates an unstable surface, which requires your core muscles to work harder to keep you balanced.

Fire up your core and tone your whole body with the following swiss ball exercises and workouts.