Yeh - looks like a step down,... actual transformer for the game is the other one on the right of the pic.

To be on the safe side, id be getting a new on. You cant have 240v terminals dangling, itll spark, short or start a fire...the "she'll be right" is never an option.

Cheapest place to get a stepdown is Ebay.. Jaycar is real expensive for these.. youll need at least 2amps

If Jaycar have them, try

https://www.soanarplus.com/catalogue_active.jsp?xcid=44&pointerToCurrentItem.category=P5&pointerToCurrentItem.subCategory=TT01&pointerToCurrentItem.subSubCategory=90C

These guys wholesale above Jaycar and similar if not same products but much much cheaper...