Handful Of Wheels

I've a handful of wheels,
I'm struggling to hold in my arms,
If I were to drop one,
I'd have a handful of wheels,
Following the other.

I've a handful of wheels,
I'm struggling to keep from the ground,
If I were to drop another,
I'd have a handful of wheels,
Following each other.

I've a handful of wheels,
Moving independently of each other.
If I were to drop another,
I'd have a handful of wheels
Running me over.