He would take them and place them between his fingers, then bounce them between his palm and his knee, like drumsticks. When he was finished, he would slip the spoons into his pockets. Nobody ever missed them.
Alex did this well into his adult years, in restaurants and at parties. People were so impressed by his playing that they forgot to ask for their spoons back.
At forty, Alex retired and moved to the Caribbean, having sold the last of his spoons for scrap.