music: 80's Chart Toppers: Name The Artist: Coming Around Again?

Questions

What type of shoes did Run-D.M.C. sing about, which were what most rappers in the early eighties were into??

What type of shoes were favored by skateboarders? (Hint, it's 4 letterslong).?

What was the name of the multi-colored cube you had to re-organize??

What toy was in short supply for the 1983 Chirstmas season??

What mistake did Coca-Cola make in 1985??