1. I don't think so. 2. I beg to differ. 3. I'm afraid I don't agree. 4. I'm not so sure about that. 5. That's not how I see it. 6. Not necessarily. 7. Yes, but... [say your opinion] 8. On the contrary. 9. (very informal) No way! 10. (very strong) I totally disagree.
Most of us love the relaxing feeling of popping bubble wrap, right? The Japanese took this popular enjoyment to another level. They created something similar to never ending bubble wrap, a toy that constantly fills and refills bubbles in a sheet of bubble wrap.