diff --git a/lib/spree_flexi_variants/factories.rb b/lib/spree_flexi_variants/factories.rb
new file mode 100644
index 0000000..892e161
--- /dev/null
+++ b/lib/spree_flexi_variants/factories.rb
@@ -0,0 +1,76 @@
+FactoryGirl.define do
+  factory :no_charge_calculator, :class => Spree::Calculator::NoCharge do
+  end
+end
+
+FactoryGirl.define do
+  factory :product_customization_type, :class => Spree::ProductCustomizationType do
+    sequence(:name) { |n| "Product Customization Type ##{n} - #{Kernel.rand(9999)}" }
+    sequence(:presentation) { |n| "Product Customization Type Presentation ##{n} - #{Kernel.rand(9999)}" }
+
+    calculator { |p| p.association(:no_charge_calculator) }
+  end
+end
+
+FactoryGirl.define do
+  factory :product_customization, :class => Spree::ProductCustomization do
+    product_customization_type { |p| p.association(:product_customization_type) }
+    line_item { |p| p.association(:line_item) }
+  end
+end
+
+FactoryGirl.define do
+  factory :customizable_product_option, :class => Spree::CustomizableProductOption do
+    sequence(:name) { |n| "Customizable Product Option ##{n} - #{Kernel.rand(9999)}" }
+    sequence(:presentation) { |n| "Customizable Product Option Presentation ##{n} - #{Kernel.rand(9999)}" }
+    sequence(:description) { |n| "Customizable Product Option Description ##{n} - #{Kernel.rand(9999)}" }
+
+    product_customization_type { |p| p.association(:product_customization_type) }
+    
+  end
+end
+
+FactoryGirl.define do
+  factory :customized_product_option, :class => Spree::CustomizedProductOption do
+    product_customization { |p| p.association(:product_customization) }
+    customizable_product_option { |p| p.association(:customizable_product_option) }
+    sequence(:value) { |n| "Customizaed Product Option Value ##{n} - #{Kernel.rand(9999)}" }
+  end
+end
+
+FactoryGirl.define do
+  factory :ad_hoc_option_type, :class => Spree::AdHocOptionType do
+    product { |p| p.association(:product) }
+    option_type { |p| p.association(:option_type) }
+  end
+end
+
+
+FactoryGirl.define do
+  factory :ad_hoc_option_value, :class => Spree::AdHocOptionValue do
+    ad_hoc_option_type { |p| p.association(:ad_hoc_option_type) }
+    option_value { |p| p.association(:option_value) }
+  end
+end
+
+FactoryGirl.define do
+  factory :customizable_product, :parent => :base_product do
+    after(:create) do |p|
+      p.product_customization_types << FactoryGirl.create(:product_customization_type)
+    end
+  end
+end
+
+FactoryGirl.define do
+  factory :ad_hoc_variant_exclusion, :class => Spree::AdHocVariantExclusion do
+    product { |p| p.association(:product) }
+  end
+end
+
+FactoryGirl.define do
+  factory :excluded_ad_hoc_option_value, :class => Spree::ExcludedAdHocOptionValue do
+    ad_hoc_variant_exclusion { |p| p.association(:ad_hoc_variant_exclusion) }
+    ad_hoc_option_value { |p| p.association(:ad_hoc_option_value) }
+  end
+end
+
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 1acc7d5..30f515d 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -24,6 +24,8 @@
 require 'spree/testing_support/controller_requests'
 require 'spree/testing_support/url_helpers'
 
+require 'spree_flexi_variants/factories'
+
 RSpec.configure do |config|
   config.include FactoryGirl::Syntax::Methods
   config.include IntegrationHelpers