Solution:

The Yellow balloon.

Solution:

The bottom of the marked stick is colored.

Solution:

The rightmost one with the dirty shoe.

Solution:

The water in the pool is frozen.

Solution:

Girl 3

Our feet usually and unconsciously point toward the one with who we are most interested.

Solution:

The blue one is not a hot air balloon.

Solution:

4th.

Solution:

No shadows.

Solution:

5 objects

Solution:

Lock 5