Small Hole

Unfortunately only one ball falls through the hole...you need 2 balls. The other one always falls off the edge. You can't get both balls into the hole, and you can't get a ball to drop off the edge directly down where it needs to be, no matter how slow they move

Spoiler: Trick

You just need to move the balls slowly until the left ball fall in the hole and the right ball move toward B. Then move B one step forward so the ball gonna fall into B head and goes to the ball place and then go to the flag.

Without reading spoilers, I got it...but imho with just pure luck after many many tries:

Spoiler: Here is how

one ball went through the hole and the other didn't fall of the sideas usual; by jumping on the ball that went through the hole B caught the other ball and kept it inside the box

Edit: Now read Ricko's hint... so wow, that's how I got it too!

Another trap... Fortunately I am smart enough to beat it. Is that actually a bug?
I feel that the essence of it is same as "Make Your Choice", only the right one can lead you to win...
Great level! Thanks!!!

@Wang Hung Yup! It's have simillar feeling with "Make Your Choice". I don't know if it's a bug.
Anyway, Thanks a lot!

@Ricko No wonder you sign in forum now... Good luck! And good night!

Took me a couple of tries but I have finally learned that it takes just the lightest taps at times.