What fitness equipment should I invest contained by?

I want to get muscles in my arms, I want abs, and most importantly, I want to firm up my butt and thighs and lose inches around both. I be thinking about Cardio Twister but I've read bad reviews more or less it. So then I thought Leg Magic but that works out the lower body.
Answers:
Joey is right about the dumbells. You can catch a good overall workout with a duet of adjustable weight dumbells and a bench (or exercise ball). In fact, here is a workout that you can do next to a pair of adjustable weight dumbells and a bench:
http://www.spartafit.com/exercise/home%2…
dumbells
Cardio Twister ain't accurate.
no Leg Magic not really,
I think aerobics is appropriate, most exercises, though not the step thing again.

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