This game will test your calculation and brain skills. There are Four boxes with 3 animals pic in each box. You will be shown a chart table of animals with their corresponding weights. All you have to tap the box which is having the biggest/lowest weight . For that you have to quickly sum up all the weights of animals in all boxes and find out. After that you have to tap the answer box in them. Each Right answer will earn you one point. Wrong answer wil end your game. There is timer also. So you have to quickly react. There are 3 game mode, each having its own difficulties and reaction time.