Here is a kit that lets you do more with your Ninebot Scooter. The Segway Ninebot Mecha Kit lets you play shooting games with friends. It has joystick and app control. This kit has a max payload of 220lbs. You can go as fast as 8.7mph. Safe, New Rider, and Sports modes are available for you to choose from.
To assemble the Mecha kit, you are going to need a Ninebot S scooter. It comes with everything you need to shoot water bullets at your opponents. More information is available here.