"Flamingo" is small paddle boat driven by two servo motors.
You will need:
two 11g MG servos 360 degrees rotation,
3 channel rc receiver,
850-1300 mAh 2S-3S battery.
Video of maiden run is here:
Update 09 September 2019:
Added bigger (20x20 mm) paddles (blades).
Added antenna mount. You should use 3 mm OD tube to fit it inside of mount. Drill a 2 mm hole in deck cover or deck and glue antenna mount on top. This will allow to move receiver antenna outside of boat for longer range.
Video with new wheels: