and thensi you could make 3 sluice boxs in total, when you get to 5500 sluice box storage' you get the last sluice box, in small size, when we get to sluice box storage 1500 you make the first bigger, when 2000 we get number 2 sluice box in small. when we get to 4500 we get the number 2 sluice box in bigger size, and when we get to 5500 as i said before we get the last in small size. then in 6500 we get the last in bigger size. and 8000 make all bigger. in 10.000 make all into a big one very big awesome sluice box ;D it will make the game and make also make a mining machine instead so many people when we got to 200, just make a little mining machine in the start then make the machine bigger when we get more worker, and so get a mining mashine to get the dirt from the mining place to the temporay storage write + to agree :D