1.   Special little wheel or something.

2.   When they reached the farmyard there it stood, a great shiny red thing with big wheels at the back and little wheels in front.

3.   At some point, we bought the notion that many little wheels must grind themselves to dust so that one big wheel can turn smoothly.

4.   A. High quality sliders have little wheels at the bottom, just as patio sliders do, and when they work they are wonderful.

5.   Boring, you might say, unless you are the type who empathizes with rats running on those little wheels in cages.

6.   I took the little wheels off, and he got on.

7.   Solar power and wind power and hamsters running on their little wheels in cages to generate power would be neat.

8.   The little wheel built into the mouse lets me scroll through screenfuls of information without ever moving the mouse itself.

9.   The workers are like a bunch of hamsters in their little wheels.

10.   They will be constantly in motion, to the left and the right, on little wheels affixed to their feet so as not to give offense.