„If a child gets told what to look for when playing, then his attention is narrowed. It then only looks at a smaller situation and becomes blind to the rest of the game.“ (Klaus Roth, etc. in Mini Ball School, The ABC of playing)

Differential learning (DL) and developing of grundstrokes by changing variations. Player starts from balance pad with fast steps on pad. The coach feeds balls out of the basket. Player plays the ball with the forehand crosscourt.
The essential of DL is to varify tasks and situations. One situation is only used in one training, In the next one, we set new .
Variations:
This drill additionally develops the proprioceptive awareness.