diff --git a/lib/park.rb b/lib/park.rb
index e69de29..950ba9d 100644
--- a/lib/park.rb
+++ b/lib/park.rb
@@ -0,0 +1,44 @@
+
+
+class Park 
+  attr_reader :name, 
+              :price,
+              :vehicles,
+              :passengers,
+              :revenue,
+              :patron_name
+
+
+  def initialize(name, price)
+    @name = name
+    @price = price
+    @vehicles = []
+    @passengers = []
+    @patron_name = []
+    @revenue = 0
+  end
+
+  def add_vehicle(vehicle)
+    @vehicles << vehicle
+    vehicle.passengers.each { |passenger| @passengers << passenger }
+  end
+
+  def revenue
+    @revenue = @passengers.count * @price
+  end
+
+  def patron_name
+    @patron_name = @passengers.map{|x| x.name}
+  end
+
+  def minors
+    minors = @passengers.select {|age| !age.adult?}
+    return minors
+  end
+
+  def adults
+   adults = @passengers.select {|age| age.adult?}
+   return adults
+  end
+
+end
\ No newline at end of file
diff --git a/lib/passenger.rb b/lib/passenger.rb
index e69de29..def003a 100644
--- a/lib/passenger.rb
+++ b/lib/passenger.rb
@@ -0,0 +1,25 @@
+
+
+class Passenger
+  attr_reader :name,
+              :age,
+              :driver
+
+  def initialize(passenger_info)
+    @name = passenger_info['name']
+    @age = passenger_info['age']
+    @driver = false
+  end
+
+  def adult?
+    @age >= 18 ? true : false
+  end
+
+  def driver?
+    return @driver
+  end
+
+  def drive
+    @age >= 16 ? @driver = true : @driver = false
+  end
+end
\ No newline at end of file
diff --git a/lib/vehicle.rb b/lib/vehicle.rb
index e69de29..cda1e1b 100644
--- a/lib/vehicle.rb
+++ b/lib/vehicle.rb
@@ -0,0 +1,34 @@
+
+
+class Vehicle
+  attr_reader :year, 
+              :make,
+              :model,
+              :speeding,
+              :passengers
+
+  def initialize(year, make, model)
+    @year = year
+    @make = make
+    @model = model
+    @speeding = false
+    @passengers = []
+  end
+
+  def speeding?
+    @speeding
+  end
+
+  def speed
+    @speeding = true
+  end
+
+  def add_passenger(passenger)
+    @passengers << passenger
+  end
+
+  def num_adults
+   adults = @passengers.find_all {|x| x.adult?}
+   return adults.count
+  end
+end
\ No newline at end of file
diff --git a/spec/park_spec.rb b/spec/park_spec.rb
new file mode 100644
index 0000000..d4b66c8
--- /dev/null
+++ b/spec/park_spec.rb
@@ -0,0 +1,124 @@
+require './spec/spec_helper.rb'
+
+# attr_reader and initialize park name and ticket price
+# add a vehicle to ann array for the instance of that park
+#             -add_vehicle(course)
+#             -vehicles = []
+
+
+RSpec.describe Park do
+  before(:each) do
+    @park_1 = Park.new('Jackson Hole', 10)
+
+
+    @vehicle_1 = Vehicle.new("2001", "Honda", "Civic")
+    @charlie = Passenger.new({"name" => "Charlie", "age" => 18})
+    @jude = Passenger.new({"name" => "Jude", "age" => 20})
+    @taylor = Passenger.new({"name" => "Taylor", "age" => 12})
+
+    @vehicle_2 = Vehicle.new("1955", "VW", 'Beetle')
+    @patrick = Passenger.new({'name' => 'Patrick', 'age' => 24})
+
+    @vehicle_1.add_passenger(@charlie)
+    @vehicle_1.add_passenger(@jude)
+    @vehicle_1.add_passenger(@taylor)
+    
+    @vehicle_2.add_passenger(@patrick)
+  end
+  
+  describe 'initialize' do
+    it 'exists' do
+      expect(@park_1).to be_an_instance_of(Park)
+    end
+
+    it 'has name' do
+      expect(@park_1.name).to eq('Jackson Hole')
+    end
+
+    it 'has ticket price' do
+      expect(@park_1.price).to eq(10)
+    end
+  end
+
+  describe 'vehicles entry to park' do 
+    it 'adds vehicles to an array' do
+      expect(@park_1.vehicles).to eq([])
+
+      @park_1.add_vehicle(@vehicle_1)
+      @park_1.add_vehicle(@vehicle_2)
+
+      expect(@park_1.vehicles).to eq([@vehicle_1, @vehicle_2])
+    end  
+  end
+
+  describe 'adding to the park passengers' do
+    before(:each) do
+      @park_1.add_vehicle(@vehicle_1)
+    end
+
+    it 'can add passengers' do
+      expect(@park_1.passengers).to eq([@charlie, @jude, @taylor])
+
+      @park_1.add_vehicle(@vehicle_2)
+
+      expect(@park_1.passengers).to eq([@charlie, @jude, @taylor, @patrick])
+    end
+  end
+  
+  describe 'revenue' do
+    it 'starts with 0' do
+      expect(@park_1.revenue).to eq(0)
+    end
+
+    it 'can add revenue based on vehicle passengers' do
+      @park_1.add_vehicle(@vehicle_1)
+      @park_1.add_vehicle(@vehicle_2)
+
+      expect(@park_1.revenue).to eq(40)
+    end
+  end
+
+end
+
+### iteration 4
+
+
+RSpec.describe Park do
+  before(:each) do
+    @park_1 = Park.new('Jackson Hole', 10)
+
+
+    @vehicle_1 = Vehicle.new("2001", "Honda", "Civic")
+    @charlie = Passenger.new({"name" => "Charlie", "age" => 18})
+    @jude = Passenger.new({"name" => "Jude", "age" => 20})
+    @taylor = Passenger.new({"name" => "Taylor", "age" => 12})
+
+    @vehicle_2 = Vehicle.new("1955", "VW", 'Beetle')
+    @patrick = Passenger.new({'name' => 'Patrick', 'age' => 24})
+
+    @vehicle_1.add_passenger(@charlie)
+    @vehicle_1.add_passenger(@jude)
+    @vehicle_1.add_passenger(@taylor)
+    
+    @vehicle_2.add_passenger(@patrick)
+
+    @park_1.add_vehicle(@vehicle_1)
+    # @park_1.add_vehicle(@vehicle_2)
+  end
+
+  it 'has names' do
+    expect(@park_1.patron_name).to eq(['Charlie', 'Jude', 'Taylor'])
+    @park_1.add_vehicle(@vehicle_2)
+    expect(@park_1.patron_name).to eq(['Charlie', 'Jude', 'Taylor', 'Patrick'])
+  end
+
+  it 'has minors' do
+    expect(@park_1.minors).to eq([@taylor])
+  end
+
+  it 'has adults' do
+    expect(@park_1.adults).to eq([@charlie, @jude])
+  end
+
+
+end
diff --git a/spec/passenger_spec.rb b/spec/passenger_spec.rb
new file mode 100644
index 0000000..f91ae04
--- /dev/null
+++ b/spec/passenger_spec.rb
@@ -0,0 +1,39 @@
+require './spec/spec_helper.rb'
+
+RSpec.describe Passenger do
+  before(:each) do
+    @charlie = Passenger.new({"name" => "Charlie", "age" => 18})
+    @taylor = Passenger.new({"name" => "Taylor", "age" => 12})
+  end
+
+  it 'initializes' do
+    expect(@charlie).to be_an_instance_of(Passenger)
+    expect(@taylor).to be_an_instance_of(Passenger)
+  end
+  it 'has name' do
+    expect(@charlie.name).to eq('Charlie')
+    expect(@taylor.name).to eq('Taylor')
+  end
+
+  it 'has age' do
+    expect(@charlie.age).to eq(18)
+    expect(@taylor.age).to eq(12)
+  end
+
+  it 'is an adult?' do
+    expect(@charlie.adult?).to eq(true)
+    expect(@taylor.adult?).to eq(false)
+  end
+
+  it 'can drive' do
+    expect(@charlie.driver?).to eq(false)
+    expect(@taylor.driver?).to eq(false)
+
+    @charlie.drive
+    @taylor.drive
+
+    expect(@charlie.driver?).to eq(true)
+    expect(@taylor.driver?).to eq(false)
+  end
+
+end
\ No newline at end of file
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
new file mode 100644
index 0000000..da8bcb2
--- /dev/null
+++ b/spec/spec_helper.rb
@@ -0,0 +1,4 @@
+require 'pry'
+require './lib/park.rb'
+require './lib/passenger.rb'
+require './lib/vehicle.rb'
diff --git a/spec/vehicle_spec.rb b/spec/vehicle_spec.rb
new file mode 100644
index 0000000..fe436cb
--- /dev/null
+++ b/spec/vehicle_spec.rb
@@ -0,0 +1,56 @@
+require './spec/spec_helper.rb'
+
+RSpec.describe Vehicle do
+  before(:each) do
+    @vehicle = Vehicle.new("2001", "Honda", "Civic")
+    @charlie = Passenger.new({"name" => "Charlie", "age" => 18})
+    @jude = Passenger.new({"name" => "Jude", "age" => 20})
+    @taylor = Passenger.new({"name" => "Taylor", "age" => 12})
+  end
+
+  describe 'initialize' do
+    it 'exists' do
+      expect(@vehicle).to be_an_instance_of(Vehicle)
+    end
+
+    it 'has vehicle info' do
+      expect(@vehicle.year).to eq('2001')
+    end
+
+    it 'has a make' do
+      expect(@vehicle.make).to eq('Honda')
+    end
+
+    it 'has a model' do
+      expect(@vehicle.model).to eq('Civic')
+    end
+  end
+
+  describe 'methods' do
+    it 'is speeding' do
+      expect(@vehicle.speeding?).to eq(false)
+
+      @vehicle.speed
+
+      expect(@vehicle.speeding?).to eq(true)
+    end
+
+    it 'adds passengers' do
+      expect(@vehicle.passengers).to eq([])
+
+      @vehicle.add_passenger(@charlie)
+      @vehicle.add_passenger(@jude)
+      @vehicle.add_passenger(@taylor)
+      
+      expect(@vehicle.passengers).to eq([@charlie, @jude, @taylor])
+    end
+
+    it 'counts the number of adults' do
+      @vehicle.add_passenger(@charlie)
+      @vehicle.add_passenger(@jude)
+      @vehicle.add_passenger(@taylor)
+      
+      expect(@vehicle.num_adults).to eq(2)
+    end
+  end
+end
\ No newline at end of file