Take the next tool
to insert a circle with the sizes from below.
Blending Options-Gradient Overlay
Gradient’s parameters. 
Copy the new made layer 7 times and use
Free Transform option again to change where it is necessary (Minimize or enlarge). Place everything out like in the next picture.
Create the same way we did before the fir-tree balls (apply the same
Blending Options-Gradient Overlay). Place them out, like in the next image.
Take the previous instrument and represent a circle of large diameter colored in
FFF799.
