Try to guess the weight of the square on the left side. The balance will go down on one side but you can adjust the distance from the center by using the left and right arrows. When you finish guessing, click on the button that checks the guess. It is possible to make the balance go down on the other side. If the locations are adjusted, the balance can sometimes also be completely equal on both sides.
The balance, weights, backdrop, and the button for checking the guess were made using the Scratch paint editor. An update was done on 5/31/2016. The bug of quickly showing the weight on the left was fixed.
