Dual tasking activities where kids perform multiple tasks at one time are an awesome way to build high-level coordination. It also helps to keep things fun & challenging and to train their powers of concentration.
Developing motor skills from a young age and continually challenging the child keeps them stimulated and fast tracks their improvement. Below is a simple exercise that can be modified to suit the level of the child. There are a number of progressions to an activity like this but this is a great starting point.