1.Create variable camp
2.Set action within 5 seconds ,if the button is pressed , add 1 to camp
3.Show the result of random variable camp
1.Use the button on the board to initiate the action.
2.Use the light sensor to get value for light level.
3.Compare the value to specific value(set as 450 here).
4.Take specific action base on the comparison result(change the stage background)