1) Open GeoGebra 3D app on your device. [br][br]2) Press the 3 horizontal bars (upper left corner). Select OPEN. [br][br]3) In the SEARCH TAB that appears, type [b]D4hmNy9M[/b][br] Note this string of characters can be found in the URL here. [br] Be sure to either copy & paste this code or type it just the way you see it here. [br][br]4) The slider named [b]i[/b] does the animation.[br] [color=#ff7700]Slider [b]e[/b] alters the opacity (shading of the sphere)[/color]. [br] You can move the white point on the sphere to change its radius when in 3D view.