What tools:
Nail polish remover
Cotton swabs
Sponge
Detail brush

Nail polish:
Base coat
Top coat
White or Creme
Light and medium blue
Green }any will do{

LETS GET STARTED!!

Step 1: Base Coat and Color

Apply base coat to all of your nails
-
Ring finger: light blue ~3 coats (depending on your nail polish)

All other nails: medium blue ~2-3 coats (depending)

Step 2: Accent Nail: Ombré

Take your blues and lay it on the sponge and dab on light blue nail. Reapply polish on sponge and repeat until opaque.
-
Then clean up with a cotton bud dipped in nail polish remover.

Step 3: The Sky

Rip a piece of your sponge off and then dab it in the white polish then make cloud shapes on your nail.

Take the small brush and dip in the green
Then, wipe of brush a little bit and make grass on the tip of your nail.

Clean up around the edges if needed.