<p>The way Lavoya Talton was twisting the handle on the gum ball machine, you'd have thought the 5-year-old was a pensioner at a nickel slot machine in a Vegas casino.</p>
<p>Instead, the preschooler from Uptown was just trying to get her favorite toy from a machine at the North Side Giant Eagle. She was working feverishly because the store's supply of Homies dolls had run out several times before, said her mother Doreen, who was busily feeding Lavoya and her brother Jayrese quarters.</p>