2 to 5 business days
-As Seen on TV, power through your workout rut or get started on a new fitness journey with the help of the Wonder Core. This revolutionary fitness breakthrough is designed to target your entire core so you can focus on your upper abs, lower abs, obliques, and more. With a dual-spring system, you can adjust the resistance to continue to challenge yourself, and take advantage of the exercise guide and fitness DVD to use the Wonder Core to tone and sculpt your entire body.