Frame Relay Question

I have a question that could or should be able to be answered by this group. I'm looking to simulate a Frame Relay Internet environment between a couple of routers. This will be internal and not connected to the internet, yet. I will also need the ability to add nodes to this simulated WAN. Does someone have a quick and dirty HW & SW list that I will need to purchase?? Thanks, -- Scott F. Reubelt sreubelt@whistle.com (http://www.whistle.com)