You can workout while having fun using the Stealth Core Workout Trainer. It’s an interactive fitness device to do some core exercises through video games. It uses technology to improve your workout routine. Aside from being a workout device, it also serves as a controller of mini-games. You can put your Smartphone on the slot provided and play game apps. In just 3 minutes, it can already give you a complete core workout. Unlike other fitness equipment, this workout trainer makes you forget you are doing an intensive workout. The video games keep you distracted while you are doing core exercises.