I have one used iris shoe box rack 12 tub size and 16 tub size.
These are reptile basic racks.
Both are in good condition and comes with tubs and heat. All you need is a thermostat.
Great for baby balls.
12 tub Rack $165
16 tub $225
must be picked up in ny
check out their site for more info on these racks:
http://www.reptilebasics.com/iris-sh...r-16-tub-sizes
Thanks
Jimmy