It's really fun !
The more you go to the Gym the more stronger you get.
Lets say every time you go to the Gym you get stronger each time. I'm not just saying that to lie to you, I'm telling you the truth.
So If you want to try it out at home you can go online to http://www.gaiamtv.com/yoga-fitness/fitness at any time you want instead of going to the gym every time !
Here's an example of one thing you can do in Fitness and it helps you to make your butt muscles bigger !
There is also this It's an Ab Board it helps you with abs !
And Last but not least there is this tool it is called :Powerline Preacher Curl Bench !