Here is a plank board that lets you use smartphone games to stay motivated and push your body harder. The Yes4All Inno Board can be used to improve your balance and posture while strengthening your core. It has a wood construction with max load capacity of 350lbs. You can use it with Doodle Jump, Cube Runner, Tiltmasters, and other comparable games.
This board uses tilting and twisting motion to give you a dynamic core workout. You can remove the handles to use the Inno Board as a wobble board. You can also remove the base to use this as a twisting disc for waist, hip, and thigh exercises.[where to get it]