Adding multiple products and attributes to one product

We are wanting to group several products together and sell them as a package (for example: dumbbells, floor mat, fitness ball is package #1 to be sold for $45. etc.) How do we do this when people would need to tell us the weight of the dumbbells that they want as well as the size of fitness ball?

Well, a product can have multiple attributes. For instance clothes shops often have size and color.

A random search turned up : http://www.ashleyjane.co.nz/ladies-swimwear-65/performance-75/zoggs-ladies-cottesloe-powerback-208.html

So, I guess you could have multiple attributes for the package. The package would be the product.

Attribute Names might be

'Dumbell Weight'
'Exercise Ball Size'

Attribute Options would be:

Dumbell Weight:
-Virtual
-Light
-Normal
-Heavy
-Silly Heavy
-Your joking

Exercise Ball
-Small
-Medium
-Large
-Planetary

I think this is what you are after. But if it isn't then let me know and I'll think again.

And sorry for my ignorance of the correct terms!

Nick