This is sand ball effect simulate from fluid. Movement is look like real sand. The file has an Alpha channel. You can change the color to whatever color you need.
Enjoy.
Sand Effect Ball
Alpha Channel: Yes, Looped Video: No, Frame Rate: 25, Resolution: 1280x720, Video Encoding: Photo JPEG, File Size: 211mb, Number of Clips: 1, Total Clip(s) Length: 0:16