'box' vs 'box' collision does not occur

Hi
I want to have ‘box vs box’ collision, but it doesn’t happen.

‘box1’ vs ‘box2’ collision does not occur

  • box1: box size=“0.0800 0.0020 0.0002”/>
  • box2: box size=“0.5 0.5 0.00065”/>

But box1 vs cylinder1 collision occur

  • box1: box size=“0.0800 0.0020 0.0002”/>
  • cylinder1: cylinder length=“0.0006” radius=“0.33”/>

Is ‘box1’ vs ‘box2’ colision possible?