What kind of rock is this?

[treasurea1]

I found a unusual rock at a park near my house and the tiny ball in the pic is magnetic and I was wondering what did I find?

 

[jamey]

hi there,get a better picture of it,outside in the sunlight,and did the tiny ball come from the rock?

 

[treasurea1]

Yes the ball is from the rock that I used tweezers to pull it out. I was wondering could it be a iron ore??