Work on crossing midline by passing an object between 2 or more participants.
This ball passing game can be done in groups or during a 1×1 session.
Sit back to back with the child. Make sure the child is sitting cross-legged or on their knees. While seated, pass a ball or any other object around to each other.
Make sure to switch directions after a few times.
Make sure the child is crossing the midline while passing the ball without rotating the trunk.