A 7-year-old boy who took his grandmother's car on a joyride last month has been taken for a mental health evaluation after he allegedly beat her up inside a South Florida Wal-Mart

Latarian Milton told WPBF on April 28 that he took his grandmother's Dodge Durango on a joyride

"I wanted to do it because it's fun. It's fun to do bad things," Milton said. "I wanted to do hood-rat stuff for my friend."

the boy and a friend drove several miles

during rush hour before finally coming to a crashing halt

Milton ran over two mailboxes, hit two parked cars in a Costco parking lot and struck two moving cars

Milton's grandmother, Vikkita Stratford, told WPBF that the 7-year-old took his mischievous activities to a new level Monday when she said he beat her up inside a Lake Park Wal-Mart.

the problem began when Milton asked his grandmother for some chicken wings. When she refused, Milton walked over over to the counter and ordered them

Milton hit her stomach, legs and "wherever he could reach me."