How to increase detection of a gameobject??

In my game the player flicks a gameobject. The problem is that the ball’s size is small so i was wondering if somehow there is a way that I could increase the detection size of the ball without changing its size? Thanks in advance.

Keep your original collider the same.

Add a new one, make it bigger, mark it as trigger. You may need to manipulate the ignoring of collisions so they dont trigger each other but as long as they dont cross each others bounds it may be ok.