Price includes upgraded shipping since it weighs 10 pounds. It is out of the box, but only used a few times. Video integrated fitness trainer. Stealth Core Deluxe Trainer - Turn Fitness Into Fun with free games on Free iOS/Android App; Dynamic Abs & Core Training. Stealth carefully calibrates with your phone’s motion detector to recognize every movement you make. It then translates those movements into gameplay actions on the screen of your smartphone, turning your body into a "joystick" and letting you control mobile games with core training movements. Stealth is the only Plank core trainer with 360 degree motion. The proprietary multi-directional dynamic design allows you to attack your core from every angle. Get a strong core and a healthy back in under 3 minutes a day! Free games include "Speed Gliding," "Color Chase," "Galaxy Adventure," and "Space Escape." PLUS: Track your daily progress PLUS a real-time Worldwide Leaderboard. Create and compete in challenges with friends and family. No Subscription Required. Fits any size smartphone. Bundle items for a great discount.