Well, I have come across another kind of workout that I want to do a few times a week (on bike days!). Here is the link to it if you want to see it.
http://www.daxmoy-pts.co.uk/integratedmovement.pdf
I'm going to use a 2 lb. ball that I already have. I imagine you could use just about anything with a bit of weight to it as long as you can hold onto it.