diff --git a/db/migrate/20150423144533_add_block_to_environment_and_profile.rb b/db/migrate/20150423144533_add_block_to_environment_and_profile.rb
new file mode 100644
index 0000000..5c8ca0b
--- /dev/null
+++ b/db/migrate/20150423144533_add_block_to_environment_and_profile.rb
@@ -0,0 +1,15 @@
+class AddBlockToEnvironmentAndProfile < ActiveRecord::Migration
+    def up
+      Environment.all.each do |env|
+        env.boxes << Box.new if env.boxes.count < 4
+      end
+
+      Profile.all.each do |profile|
+        profile.boxes << Box.new if profile.boxes.count < 4
+      end
+    end
+
+    def down
+      say "this migration can't be reverted"
+    end
+end
--
libgit2 0.21.2