Spawn Delay controls how many seconds pass between each new balloon launching. Lower values mean more balloons on screen at once. Rise Speed is the cruising speed once a balloon is airborne. The Burst group controls what happens the moment a balloon spawns: Speed sets how fast it shoots up at launch, Duration sets how long it takes to slow down to the Rise Speed, and Stretch adds a squash and stretch deformation on that initial pop. Size Variance randomises how big each balloon is relative to the base Balloon Size, so setting it to 0 makes every balloon the same size. Min and Max Z-Index create a depth range, balloons closer to Max appear larger and in front, giving a subtle 3D feel.