Meet the StaBallizer Core Trainer: a smart fitness tool that lets you control smartphone games by squatting or planking. It helps you build a stronger core and uses games to distract you, so you can push harder. The StaBallizer can replace an ab roller, push-up handles, aerobic steps, and a medicine ball.
More gadgets like this ➡️ : here
The StaBallizer is currently getting funded on Kickstarter.
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