Ask the leader "May I...." and see if your request is accepted or denied
Get to the leader and tag them before everyone else!
Have the leader stand on one side of the gym and all of the kids on the other side. The kids will go in the order they are standing in to make requests. The first person will ask "May I take a step forward?". The leader at the front then will say either, "Yes you may" or "No, you may not." Then it is the next persons turn to make a request. You can vary your requests by including options such as taking baby steps, spinning steps, leaps etc. The more creative your requests the more likely they are to be accepted. The first person to reach the leader and tag them wins and is the next person to be the leader.