How to tone with dumbbells?

I'm female and I'm 17 my body type is skinny and my height is 5'4...I want to have a sexy tone arms but I don't want to waste my money to buy another sets of dumbbells, because I already had 4 pounds dumbbells at home, is 4 pounds dumbbells effective...

Are there any exercises using them that both allows them to tone arms *and* tummy?

i'm a guy who was born with very little muscle tone and i've been that way my whole life. i never really played any sports, i did swimming for a while which helped with my tone for a while, but i didn't really like it. so, i really want to develop muscle...

I have very little arm strength so I purchased 3kg dumbbells. They're fairly alright for me to work with, not too easy but not TOO difficult either. I want to tone up my biceps & triceps, & see a good amount of muscle there. I've also been eating...

I am 14 years old. I'm not fat, but would like to tone up. I have three sets of dumbbells. 3lb, 5lb, and 10lb sets. Can some one give me some exercises that can help me tone up??? And if I have to do cardio would jumprope exercises work??

I really want to slim and tone my arms I dont want to make them bigger. I have 5 pound and 8 pound dumbbells. Which ones do I use to slim/tone my arms and not bulk them??

What weight should my dumbbells be for a 5 foot 11inch male at 195lbs, who is wanting to lose weight and tone up. At the moment I have 3 sets of different weights, but not sure which to use.

Are there any exercises i could do to tone my stomach muscles using dumbbells as an assistance.

I am 16. The only equipment I have are 10 pound dumbbells. I want to tone because I am a girl and do not want to look like a man. Also, any good lower ab excersises I can do? And that one muscle that goes from the armpit to the breast...I don't know...