So you would like to build a stronger core but don’t want to keep trying boring exercise routines. Stealth is an interactive core trainer that combines with a smartphone app to turn workout into games. Just download the gaming app on your phone, put the device inside Stealth, choose a game, and you are ready to go.
Stealth is designed to target 29 core muscles and give you a fun workout in as little as 3 minutes. It supports 360-degree motion for a complete workout. iOS and Android devices are supported.[where to get yours]