Some towns are so small that a purple plastic dinosaur is the most metal thing for miles around.
All you need to make a beat is bang two sticks together. A child could do it (confidential to percussionists: we're not really serious. Please don't sue for libel). YouTube performers Wax and Herbal T took this idea to its logical conclusion and made a rap song using sounds from Herbal T's toddler son's playground session.