# class Workout::Time 
#     attr_accessor :minutes

#     @@all = ["12", "16", "20", "30"]

#     def initialize(minutes)
#         @minutes = minutes
#         @kickboxingWorkout = []
#         save
#     end

#     def save
#         @@all << self 
#     end

#     def self.all
#         @@all
#     end
# end