Then you are looking at another 10K at least for all the equipment... Such as baseballs, footballs, and bathrooms.
As sanitation technology can be as simple as a hole in the ground or as complicated as to do everything for a city of millions of people the simple question - complex answer
Simple question, complex answer. Synthesizers can be simple and therefore low cost or they can have 'everything including the kitchen sink' and cost hundreds of thousands of dollars. Speak with people who have the machines now about what you want.
it costs nothing
because its something to do
an average pinata cost about $15. prices vary from size and how complex they are
how much does everything cost to move from california to alaska
it would cost an arm and a leg.
Its cost varied to the gender and where you would get it from!