diff --git a/features/animal.feature b/features/animal.feature
index aa25af6..dda2014 100644
--- a/features/animal.feature
+++ b/features/animal.feature
@@ -1 +1,11 @@
-#Create your feature here
+Feature: Animal
+  In order to properly identify animals
+  An Animal should have name, type, and age
+  Based on age, can tell if it's old
+
+Scenario: cat
+  Given a cat called Tom who is 2 years old
+  Then name should be Tom
+  And is of type 'cat'
+  And be of age 2
+  Then should not be old
diff --git a/features/step_definitions/animal_steps.rb b/features/step_definitions/animal_steps.rb
index 324ff13..2d9eee9 100644
--- a/features/step_definitions/animal_steps.rb
+++ b/features/step_definitions/animal_steps.rb
@@ -1 +1,19 @@
-#Delete this comment, here is where you should write your step defs
+Given(/^a (.*?) called (.*?) who is (\d+) years old$/) do |type, name, age|
+  @animal = Animal.new(name, type, age.to_i)
+end
+
+Then(/^name should be (.*?)$/) do |name|
+  expect(@animal.name).to eq name
+end
+
+And(/^is of type '(.*?)'$/) do |type|
+  expect(@animal.type).to eq type
+end
+
+And(/^be of age (\d+)$/) do |age|
+  expect(@animal.age).to eq age.to_i
+end
+
+Then(/^should not be old$/) do
+  expect(@animal.old?).to be false
+end