diff --git a/lib/v8/access.rb b/lib/v8/access.rb
index 31c5018..f52c4a4 100644
--- a/lib/v8/access.rb
+++ b/lib/v8/access.rb
@@ -1,6 +1,89 @@
 require 'set'
 module V8
-  
+  class Access
+    def self.[](cls)
+      @access ||= Access.new
+      @access[cls]
+    end
+
+    def initialize
+      @classes = {}
+    end
+
+    def [](cls)
+      @classes ||= {}
+      if ref = @classes[cls.object_id]
+        if ref.weakref_alive?
+          ref.__getobj__
+        else
+          @classes.delete(cls.object_id)
+          self[cls]
+        end
+      else
+        template(cls).tap do |t|
+          t.InstanceTemplate().SetNamedPropertyHandler(
+            NamedPropertyGetter,
+            NamedPropertySetter,
+            nil,
+            nil,
+            NamedPropertyEnumerator
+          )
+          if cls.name && cls.name =~ /(::)?(\w+?)$/
+            t.SetClassName(C::String::NewSymbol($2))
+          else
+            t.SetClassName("Ruby")
+          end
+          @classes[cls.object_id] = WeakRef.new(t)
+        end
+      end
+    end
+
+    def template(cls)
+      C::FunctionTemplate::New() do |arguments|
+        unless arguments.Length() == 1 && arguments[0].kind_of?(C::External)
+          C::ThrowException(C::Exception::Error(C::String::New("cannot call native constructor from javascript")))
+        else
+          arguments.This().tap do |this|
+            this.SetHiddenValue(C::String::NewSymbol("TheRubyRacer::RubyObject"), arguments[0])              
+          end
+        end
+      end
+    end
+
+    def self.rubyobject
+      @rubyobject ||= C::ObjectTemplate::New().tap do |t|
+        t.SetNamedPropertyHandler(
+          NamedPropertyGetter,
+          NamedPropertySetter,
+          nil,
+          nil,
+        NamedPropertyEnumerator
+        )
+      end
+    end
+  end
+
+  class Constructors < Access
+    def self.[](cls)
+      @constructors ||= Constructors.new
+      @constructors[cls]
+    end
+
+    def template(cls)
+      t = C::FunctionTemplate::New() do |arguments|
+        rbargs = []
+        for i in 0..arguments.Length() - 1
+          rbargs << To.rb(arguments[i])
+        end
+        instance = V8::Function.rubycall(cls.method(:new), *rbargs)
+        arguments.This().tap do |this|
+          this.SetHiddenValue(C::String::NewSymbol("TheRubyRacer::RubyObject"), C::External::New(instance))
+        end
+      end
+      t.Inherit(Access[cls])
+      return t
+    end
+  end
   class NamedPropertyGetter
     def self.call(property, info)
       name = To.rb(property)
@@ -41,7 +124,7 @@ module V8
       end
     end
   end
-  
+
   class NamedPropertyEnumerator
     def self.call(info)
       obj = To.rb(info.This())
diff --git a/lib/v8/context.rb b/lib/v8/context.rb
index be4f37b..18b8bbd 100644
--- a/lib/v8/context.rb
+++ b/lib/v8/context.rb
@@ -4,7 +4,7 @@ module V8
   class Context    
     attr_reader :native, :scope
     def initialize(opts = {})
-      @native = opts[:with] ? C::Context::New(To.template) : C::Context::New()
+      @native = opts[:with] ? C::Context::New(Access.rubyobject) : C::Context::New()
       @native.enter do
         @native.Global().SetHiddenValue(C::String::New("TheRubyRacer::RubyObject"), C::External::New(opts[:with])) if opts[:with]
         @scope = To.rb(@native.Global())
diff --git a/lib/v8/to.rb b/lib/v8/to.rb
index 49981af..5093e3f 100644
--- a/lib/v8/to.rb
+++ b/lib/v8/to.rb
@@ -19,8 +19,10 @@ module V8
         case value
         when V8::Object
           value.instance_eval {@native}
-        when String, Symbol
+        when String
           C::String::New(value.to_s)
+        when Symbol
+          C::String::NewSymbol(value.to_s)
         when Proc,Method
           template = C::FunctionTemplate::New() do |arguments|
             rbargs = []
@@ -45,7 +47,7 @@ module V8
         when ::Time
           C::Date::New(value)
         when ::Class
-          To.class_template(value).GetFunction().tap do |f|
+          Constructors[value].GetFunction().tap do |f|
             f.SetHiddenValue(C::String::NewSymbol("TheRubyRacer::RubyObject"), C::External::New(value))
           end
         when nil,Numeric,TrueClass,FalseClass, C::Value
@@ -53,7 +55,7 @@ module V8
         else
           args = C::Array::New(1)
           args.Set(0, C::External::New(value))
-          obj = To.class_template(value.class).GetFunction().NewInstance(args)
+          obj = Access[value.class].GetFunction().NewInstance(args)
           return obj
         end
       end
@@ -67,60 +69,6 @@ module V8
         end
       end
 
-      def template
-        @rubyobject ||= C::ObjectTemplate::New().tap do |t|
-          t.SetNamedPropertyHandler(
-            NamedPropertyGetter,
-            NamedPropertySetter,
-            nil,
-            nil,
-          NamedPropertyEnumerator
-          )
-        end
-      end
-
-      def class_template(cls)
-        @classes ||= {}
-        if ref = @classes[cls.object_id]
-          if ref.weakref_alive?
-            ref.__getobj__
-          else
-            @classes.delete(cls.object_id)
-            self.class_template(cls)
-          end
-        else
-          class_template = C::FunctionTemplate::New() do |arguments|
-            if arguments.Length() > 0 && arguments[0].kind_of?(C::External)
-              wrapper = arguments[0]
-            else
-              rbargs = []
-              for i in 0..arguments.Length() - 1
-                rbargs << To.rb(arguments[i])
-              end
-              instance = V8::Function.rubycall(cls.method(:new), *rbargs)
-              wrapper = C::External::New(instance)
-            end
-            arguments.This().tap do |this|
-              this.SetHiddenValue(C::String::NewSymbol("TheRubyRacer::RubyObject"), wrapper)              
-            end
-          end
-          class_template.InstanceTemplate().SetNamedPropertyHandler(
-            NamedPropertyGetter,
-            NamedPropertySetter,
-            nil,
-            nil,
-            NamedPropertyEnumerator
-          )
-          if cls.name && cls.name =~ /(::)?(\w+?)$/
-            class_template.SetClassName(C::String::NewSymbol($2))
-          else
-            class_template.SetClassName("Ruby")
-          end
-          @classes[cls.object_id] = WeakRef.new(class_template)
-          class_template
-        end
-      end
-
       def camel_case(str)
         str.to_s.gsub(/_(\w)/) {$1.upcase}
       end