The Acrobat

...
looks like toy factory of santa clause...

claustrophobia effect wont let B to do ToA...

FUN way to release R Thanks for sharing @Mark69

...
my bad, solved this level
not intendedly, after push a ball
beside zapper, by doing redirecting
R using B, causing one ball not
in function.

then I play it again the second time,
here are the intended ways;
1. push B not to hard, to land on middle
section of level...
2. B pushed by long rotating pipes.
3. B push a ball, fill a tiny hole under pipe.
4. R got frozen under bended pipe.
5. get B back to pusher, now push it hard.
6. B touch a ball at higher floor at corner.
7. press dragable hardly.
8. there will be a strange machine to help redirecting R to touch a ball beside zapper.
9. get B back to start point, finish.

@Ray Aznable The level has actually two intended solutions as description suggests. If you are able to choose the correct timing you can redirect R before it arrives in the zapper area. Otherwise, you can set it free by the descending mechanism.

I found shortcut