Think about weights.
They already have scales.
More Riddles
Parenting
John's father has three sons: Snap, Crackle, an...
The whole yard
I'm don't move, but I run around the whole yard...
Beginning and end
What has no end, middle, or beginning?
Aging
When you were young, its what you thought you h...
Fingers and thumbs
They don't have flesh, feathers, scales, or bon...
Cupid
It keeps ticking, though it’s rarely measured.