What’s better than a RC tank? Maybe one that can shoot water beads. This GoolRC M10 RC Tank is worth a look. It has a A3 motor and 4 wheels to perform all kinds of stunts. The tank has 3 driving modes, adjustable turret, and 2.4Ghz controller.
The tank runs on a 1500mAh battery that lasts up to 35 minutes. You can find out more about it here.