Thanks for all your advice.
Where I coach we have players starting at 3. They are so cute! We have
alot of help out on the court to position players and tell them when to
run and when to stop.

I have started using balloons at training to get them to jump and
chase, but I do like the idea of the soft rubber ball.

I dont expect to much out of them, except being able to chase, throw
and run. Which most of them do.
I have been recommending to some of the mums to take their children
along to a few ballet classes to help with coordination and social
skills. This has been working as we now have afew that can actually
catch!!