Talk:Science Machine/@comment-24.134.151.153-20121205141434

Boards and cut stone is at 27 wich makes it better than rocks 6 or log 6.

Since 4x6 (logs) =24 do a board = 27 you gain 3 more research points

And stone 3x6=18 and cut stone 27 you even make 9 research points more.