Has anyone made a small block engine dolly??

I'm not sure who made them but I bought a couple from a tool guy at a swap meet for like $20 or $25. Most of the cheap tool dealers sell them, they are color coded and the turquoise is the one for the sb Mopar, I think the sb Chevy is orange and they also had a couple shades of blue, black and red, all for different engines.

Search greedbay, I'm sure something will pop up.