diff --git a/es6-collections/es6-collections-tests.ts b/es6-collections/es6-collections-tests.ts
new file mode 100644
index 000000000..256994272
--- /dev/null
+++ b/es6-collections/es6-collections-tests.ts
@@ -0,0 +1,59 @@
+/// <reference path="es6-collections.d.ts" />
+
+interface Point { x: number; y: number; }
+let a: any;
+let s: string;
+let b: boolean;
+let i: number;
+let pt: Point;
+let arrayOfPoint: Point[];
+let arrayOfStringPoint: [string, Point][];
+let arrayOfPointString: [Point, string][];
+let map: Map<string, Point>;
+let set: Set<Point>;
+let weakMap: WeakMap<Point, string>;
+let weakSet: WeakSet<Point>;
+let iteratorOfString: Iterator<String>;
+let iteratorOfStringPoint: Iterator<[String, Point]>;
+let iteratorOfPoint: Iterator<Point>;
+let iteratorOfPointPoint: Iterator<[Point, Point]>;
+
+map = new Map<string, Point>();
+map = new Map(arrayOfStringPoint);
+map.clear();
+b = map.delete(s);
+map.forEach((value: Point, key: string, map: Map<string, Point>) => { }, a);
+pt = map.get(s);
+b = map.has(s);
+map = map.set(s, pt);
+iteratorOfStringPoint = map.entries();
+iteratorOfString = map.keys();
+iteratorOfPoint = map.values();
+i = map.size;
+
+set = new Set<Point>();
+set = new Set(arrayOfPoint);
+set.clear();
+b = set.delete(pt);
+set.forEach((value: Point, key: Point, set: Set<Point>) => { }, a);
+b = set.has(pt);
+set = set.add(pt);
+iteratorOfPointPoint = set.entries();
+iteratorOfPoint = set.keys();
+iteratorOfPoint = set.values();
+i = set.size;
+
+weakMap = new WeakMap<Point, string>();
+weakMap = new WeakMap(arrayOfPointString);
+weakMap.clear();
+b = weakMap.delete(pt);
+s = weakMap.get(pt);
+b = weakMap.has(pt);
+weakMap = weakMap.set(pt, s);
+
+weakSet = new WeakSet<Point>();
+weakSet = new WeakSet(arrayOfPoint);
+weakSet.clear();
+b = weakSet.delete(pt);
+b = weakSet.has(pt);
+weakSet = weakSet.add(pt);
\ No newline at end of file
diff --git a/es6-collections/es6-collections-tests.ts.tscparams b/es6-collections/es6-collections-tests.ts.tscparams
new file mode 100644
index 000000000..4169d3605
--- /dev/null
+++ b/es6-collections/es6-collections-tests.ts.tscparams
@@ -0,0 +1 @@
+--noImplicitAny --module commonjs --target es5
\ No newline at end of file
diff --git a/es6-collections/es6-collections.d.ts b/es6-collections/es6-collections.d.ts
new file mode 100644
index 000000000..54bcbca01
--- /dev/null
+++ b/es6-collections/es6-collections.d.ts
@@ -0,0 +1,113 @@
+// Type definitions for es6-collections v0.5.1
+// Project: https://github.com/WebReflection/es6-collections/
+// Definitions by: Ron Buckton <http://github.com/rbuckton>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/* *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+
+interface IteratorResult<T> {
+    done: boolean;
+    value?: T;
+}
+
+interface Iterator<T> {
+    next(value?: any): IteratorResult<T>;
+    return?(value?: any): IteratorResult<T>;
+    throw?(e?: any): IteratorResult<T>;
+}
+
+interface ForEachable<T> {
+    forEach(callbackfn: (value: T) => void): void;
+}
+
+interface Map<K, V> {
+    clear(): void;
+    delete(key: K): boolean;
+    forEach(callbackfn: (value: V, index: K, map: Map<K, V>) => void, thisArg?: any): void;
+    get(key: K): V;
+    has(key: K): boolean;
+    set(key: K, value?: V): Map<K, V>;
+    entries(): Iterator<[K, V]>;
+    keys(): Iterator<K>;
+    values(): Iterator<V>;
+    size: number;
+}
+
+interface MapConstructor {
+    new <K, V>(): Map<K, V>;
+    new <K, V>(iterable: ForEachable<[K, V]>): Map<K, V>;
+    prototype: Map<any, any>;
+}
+
+declare var Map: MapConstructor;
+
+interface Set<T> {
+    add(value: T): Set<T>;
+    clear(): void;
+    delete(value: T): boolean;
+    forEach(callbackfn: (value: T, index: T, set: Set<T>) => void, thisArg?: any): void;
+    has(value: T): boolean;
+    entries(): Iterator<[T, T]>;
+    keys(): Iterator<T>;
+    values(): Iterator<T>;
+    size: number;
+}
+
+interface SetConstructor {
+    new <T>(): Set<T>;
+    new <T>(iterable: ForEachable<T>): Set<T>;
+    prototype: Set<any>;
+}
+
+declare var Set: SetConstructor;
+
+interface WeakMap<K, V> {
+    delete(key: K): boolean;
+	clear(): void;
+    get(key: K): V;
+    has(key: K): boolean;
+    set(key: K, value?: V): WeakMap<K, V>;
+}
+
+interface WeakMapConstructor {
+    new <K, V>(): WeakMap<K, V>;
+    new <K, V>(iterable: ForEachable<[K, V]>): WeakMap<K, V>;
+    prototype: WeakMap<any, any>;
+}
+
+declare var WeakMap: WeakMapConstructor;
+
+interface WeakSet<T> {
+    delete(value: T): boolean;
+	clear(): void;
+    add(value: T): WeakSet<T>;
+    has(value: T): boolean;
+}
+
+interface WeakSetConstructor {
+    new <T>(): WeakSet<T>;
+    new <T>(iterable: ForEachable<T>): WeakSet<T>;
+    prototype: WeakSet<any>;
+}
+
+declare var WeakSet: WeakSetConstructor;
+
+declare module "es6-collections" {
+    var Map: MapConstructor;
+    var Set: SetConstructor;
+    var WeakMap: WeakMapConstructor;
+    var WeakSet: WeakSetConstructor;
+}
\ No newline at end of file