What happens next?

Young children are seen jumping on a mat back and fourth while two older women watch them on the side. the boy

Select from the following.
1). then takes a big leap and the girl stands in front of him.;
2). runs on his hands the ends of a mat he is on.;
3). is then seen jumping all over the mat performing various tricks with a power drill.;
4). then jumps over a bar and land aft on the mat.;
1).