Blocking his way slightly, putting his jacket on backwards, sticking an item under his shirt or on his head when he has indicated he wants it are possibilities. Doing surprising and novel things helps you capture the child's attention because the child often wishes to restore the status quo or get by you. Think about what you tend to do over and over again and begin to find different ways to do it. Don't take no for an answer. Undoing what you did is a response from the child.
Rejection is a response.
Your persistence will pay off as the child realizes you will not stop pursuing and are treating his responses as intentional. Be sure to provide opportunities for the child to initiate and organize playing. Keep a variety of things available. Give old behaviors new meanings. Spinning can become dancing.