The mini-Holoholo board is the cheapest at $69. holoholo.tv/products.html.
Holoholo board is cheapest you can itself refer the prices of the boards holoholo.tv/ a2zboardshop.com/balance-board-vew-dew.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.