Originally Posted by
Chombi1
I don't think that the system is a prototype as I've seen these for sale at eBay, with the wooden box as shown. The system has a name, but I cannot remember what it is right now, but I believe it was called the "Synchro" by Regina.
The Regina depicted was called Futura and a production item. These cogs are steel.
Was referring the term 'prototype' to someone I know having a few cog blocks made in aluminum alloy that fit this Regina system. He won't give them up.