See If you can guess what this object is:

[zombiesniper]

Okay I have an easier one.
Don't let the name fool you. I can't make mini galaxies but can you see how I did it?

Mini galaxy by Trevor Baldwin, on Flickr

 

[Digger...]

Okay I have an easier one.
Don't let the name fool you. I can't make mini galaxies but can you see how I did it?

Mini galaxy by Trevor Baldwin, on Flickr

Witchcraft or wizardry, you cast a spell on a tennis ball.

 

[zombiesniper]

Pretty close.

Dunk a tennis ball in water and get a helper to spin it. Then in post colour to your liking.