The Balloons Transition 4K motion graphic video clip will work great for any kids, birthday or similar related project. It comes with alpha channel. To use, just drag and drop.
Balloons Transition 4K
Alpha Channel: Yes, Looped Video: No, Frame Rate: 25, Resolution: 3840x2160, Video Encoding: ProRes, File Size: 260.25mb, Number of Clips: 1, Total Clip(s) Length: 0:03