Construction sites often need to weigh, just a pile of iron balls waiting to weigh accurately. In the game, the player needs to successfully weigh a weight similar to the given iron ball, it should be noted that weighing should not exceed the error range. If you exceed it, you have to start over. Together to feel the size of the iron ball, become a name heavy master.
Reasonable operation, control the size and weight of iron ball.
When the game is loaded, click [start game] to enter the game.