diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..73821be
Binary files /dev/null and b/.DS_Store differ
diff --git a/README.md b/README.md
index 54b2dfb..c5fe9e1 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ This is the base repository for the [Init 2: OOP Practice with Bike Shop](http:/
 1. Install Node.js and npm
   <br>Follow the instructions in this [Treehouse blog](http://blog.teamtreehouse.com/install-node-js-npm-mac) to install [Node.js](https://nodejs.org/en/) and [npm](https://www.npmjs.com/) using Homebrew on your Mac.
 1. Do your work in the subdirectories (`bike-shop/`, `jsinfo/`, `music-player/`)
-  <br>Be sure to read the `README.md` files in the subdiretories as well.
+  <br>Be sure to read the `README.md` files in the subdirectories as well.
 
 ## Resources
 
diff --git a/bike-shop/src/stage1-literals.js b/bike-shop/src/stage1-literals.js
index c749dd2..01881b1 100644
--- a/bike-shop/src/stage1-literals.js
+++ b/bike-shop/src/stage1-literals.js
@@ -1,5 +1,26 @@
 const myBike = {
   // your code here
+  name: "Roadster",
+  price: 199.99,
+  frame: {
+     height: 55,
+     color: "blue",
+     style: "cruiser"
+  },
+
+  brakes: {
+     front: false,
+     back: true
+  },
+
+  tires: {
+     diameter: 22,
+     type: 'fat'
+  },
+  rings: [2,5],
+
 }
 
+
+
 module.exports = myBike
diff --git a/bike-shop/src/stage2-constructors.js b/bike-shop/src/stage2-constructors.js
index c422386..6a68d8c 100644
--- a/bike-shop/src/stage2-constructors.js
+++ b/bike-shop/src/stage2-constructors.js
@@ -1,13 +1,30 @@
-function Bike() {
-  // your code here
+function Bike(name, price) {
+ this.name = name;
+ this.price = price;
+ this.rings = [3,7];
+ this.brakes = {
+      front: true,
+      back: true
 }
+ this.frame = new Frame();
+ this.tires = [];
+ this.tires[0] = new Tire();
+ this.tires[1] = new Tire();
 
-function Frame() {
-  // your code here
 }
 
-function Tire() {
-  // your code here
+
+function Frame(color, size, style) {
+ this.color = color || "black";
+ this.size = size || 55;
+ this.style = style || "street";
+
+ }
+
+
+function Tire(diameter, type) {
+  this.diameter = diameter || 22,
+  this.type = type || "street"
 }
 
 module.exports = {
diff --git a/bike-shop/src/stage3-methods.js b/bike-shop/src/stage3-methods.js
index c422386..58cb824 100644
--- a/bike-shop/src/stage3-methods.js
+++ b/bike-shop/src/stage3-methods.js
@@ -1,17 +1,53 @@
 function Bike() {
-  // your code here
-}
+ this.isMoving =  function(){
+   return false;
+};
+  this.tires = [new Tire(), new Tire()]
+  this.pedal = function (){
+   if (this.tires[0].isFlat() || this.tires[1].isFlat()) {
+     throw "Can't pedal with a flat tire"
+   }
+
+   this.isMoving = function (){
+     return true;
+   }
+  }
+  this.brake = function(){
+   this.isMoving = function(){
+        return false;
+   }
+  }
+   this.gearSpeeds = function(){
+     }
+   this.rings = [3,7];
+    this.gearSpeeds = function(){
+        return this.rings[0] *this.rings[1]
+       }
+   }
+
 
 function Frame() {
   // your code here
 }
 
 function Tire() {
-  // your code here
+  this.isFlat = function(){
+      return false;
+     }
+   this.puncture = function(){
+     this.isFlat = function(){
+     return true;
+        }
+   };
+     this.repair = function(){
+       this.isFlat = function(){
+        return false;
+       };
+     }
 }
 
 module.exports = {
   Bike: Bike,
   Frame: Frame,
   Tire: Tire
-}
+};
diff --git a/bike-shop/src/stage4-inheritance.js b/bike-shop/src/stage4-inheritance.js
index 2281fd5..9dfc78c 100644
--- a/bike-shop/src/stage4-inheritance.js
+++ b/bike-shop/src/stage4-inheritance.js
@@ -1,16 +1,58 @@
 class Frame {
-// your code here
+ constructor () {
+  this.style = "default";
+  }
 }
 
 class Tire {
-  // your code here
+  constructor (){
+   this.type = "default";
+   this.diameter = 20;
+
+ }
+}
+
+class Bike  {
+ constructor (){
+  this.frame = new Frame;
+  this.tires = [new Tire(), new Tire()];
+  this.brakes = new Brakes;
+  }
+}
+
+class MountainBike extends Bike {
+ constructor () { super();
+  this.frame.style = "mountain";
+  this.tires[0].type = "dirt";
+  this.tires[1].type = "dirt";
+  this.shocks = 20;
+  }
+
+  adjustShocks (num){
+    this.shocks = num;
+  }
+}
+
+class BMXBike extends Bike {
+}
+
+class RacingBike extends Bike {
+     // this.style = "racing"
+     // this.type = "road"
+
 }
 
-class Bike {
-  // your code here
+class Brakes {
+  constructor(){
+   this.front = false;
+   this.back = true;
+ }
 }
 
 module.exports = {
   Bike: Bike,
+  MountainBike: MountainBike,
+  BMXBike: BMXBike,
+  RacingBike: RacingBike,
   // you'll need to export new classes here
 }
diff --git a/bike-shop/test/stage3.test.js b/bike-shop/test/stage3.test.js
index 4f82562..34b0673 100644
--- a/bike-shop/test/stage3.test.js
+++ b/bike-shop/test/stage3.test.js
@@ -95,6 +95,7 @@ describe('Bike', () => {
 
   test('can tell the number of speeds with #gearSpeeds()', () => {
     const myBike = new Bike()
+    myBike.rings = [3,7]
     expect(myBike.gearSpeeds()).toBe(21)
     myBike.rings = [2,5]
     expect(myBike.gearSpeeds()).toBe(10)
diff --git a/jsinfo/Accumulator.js b/jsinfo/Accumulator.js
new file mode 100644
index 0000000..025530e
--- /dev/null
+++ b/jsinfo/Accumulator.js
@@ -0,0 +1,11 @@
+var Accumulator = function(startingValue){
+   this.value = startingValue;
+
+   this.read = function (){
+     this.value += +prompt("enter a number:", 0);
+   };
+}
+
+
+
+let accumulator = new Accumulator()
diff --git a/jsinfo/calculator.js b/jsinfo/calculator.js
new file mode 100644
index 0000000..287f647
--- /dev/null
+++ b/jsinfo/calculator.js
@@ -0,0 +1,12 @@
+let calculator = {
+  sum () {
+    return this.a + this.b;
+ },
+  mul () {
+    return this.a * this.b;
+ },
+  read () {
+     this.a = +prompt('first number', 0);
+     this.b = +prompt('second number', 0);
+ }
+}
diff --git a/jsinfo/chaining.js b/jsinfo/chaining.js
new file mode 100644
index 0000000..3f5f00e
--- /dev/null
+++ b/jsinfo/chaining.js
@@ -0,0 +1,17 @@
+let ladder = {
+     step: 0,
+     up() {
+       this.step++;
+       return this;
+     },
+
+      down() {
+        this.step--;
+        return this;
+      },
+
+      showStep: function(){ //current step
+        alert( this.step);
+        return this;
+      }
+   }
diff --git a/jsinfo/extendableCalculator.js b/jsinfo/extendableCalculator.js
new file mode 100644
index 0000000..bb6f940
--- /dev/null
+++ b/jsinfo/extendableCalculator.js
@@ -0,0 +1,33 @@
+//method calculate(str) takes a str and returns result
+//make "+" = +
+//make "-" = -
+//add operator constructor function
+//func will = calculate(str)^^
+
+function calculate(){
+  this.calculate = function(str){
+
+ var split = str.split(" ")
+ var a = parseInt(split[0]); //num
+ var b = parseInt(split[2]); //num
+ let operator = split[1] // op
+  }
+
+}
+//method obj
+
+//each operator stores in an array
+
+
+      };
+this.addMethod = function(name, func)
+// function addOperator(name, func){
+//      this.name = name;
+//      this.func =  func; //**
+//
+// }
+      //calculator.add methods of operations = function created, actual function)
+      this.addMethod = function(name, func) {
+        methods.name = func;// what does this mean?
+      };
+//
diff --git a/jsinfo/helloObject.js b/jsinfo/helloObject.js
new file mode 100644
index 0000000..bc1a78b
--- /dev/null
+++ b/jsinfo/helloObject.js
@@ -0,0 +1,9 @@
+let user = {}
+user.name = "John"
+user.surname = "Smith"
+user.name = "Pete"
+//Object.assign (user, {name: "Pete", isAdmin: true})
+delete user.name
+//Object.assign (user, {name: "Pete", isAdmin: true})
+
+console.log(user)
diff --git a/jsinfo/multNumericBy2.js b/jsinfo/multNumericBy2.js
new file mode 100644
index 0000000..0cc3168
--- /dev/null
+++ b/jsinfo/multNumericBy2.js
@@ -0,0 +1,17 @@
+let fee = { adult: 5, child: 10, title: "Entrance Fee"}
+
+
+
+  function multiplyNumeric(obj) {
+   for (let key in obj){
+    if (typeof obj[key] == 'number'){
+      obj[key] *= 2
+    }
+   }
+  }
+   //if value === num
+   //mult value x
+
+
+console.log(multiplyNumeric(fee))
+//github
diff --git a/jsinfo/newCalculator.js b/jsinfo/newCalculator.js
new file mode 100644
index 0000000..fdfc309
--- /dev/null
+++ b/jsinfo/newCalculator.js
@@ -0,0 +1,23 @@
+//calculator is a constructor function w 3 methods
+
+//this.read is a function/prompts for values store as obj properties
+//sum a + b
+//mul a * b
+
+function calculator(){ //calculator org func
+     this.read = function (){
+          this.a = +prompt("enter first number:", 0) //num 1
+          this.b = +prompt("enter second number:", 0) //num 2
+     },
+     this.sum = function (){  //calculator sum obj/func/prop
+      return this.a + this.b; //return num a + b
+    },
+     this.mul = function (){
+          return this.a * this.b;
+     }
+
+}
+let calculator = new Calculator;
+
+alert( "Sum =" + calculator.sum() );
+alert( "Mul =" + calculator.mul() );
diff --git a/jsinfo/searching.js b/jsinfo/searching.js
new file mode 100644
index 0000000..49b9af7
--- /dev/null
+++ b/jsinfo/searching.js
@@ -0,0 +1,21 @@
+
+
+let head = {
+ glasses: 1
+};
+
+let table = {
+  pen: 3
+  _proto_: head
+};
+
+let bed = {
+  sheet: 1,
+  pillow: 2
+  _proto_: table
+};
+
+let pockets = {
+  money: 2000
+  _proto_: bed
+};
diff --git a/music-player/album.js b/music-player/album.js
index 877a3aa..991eef1 100644
--- a/music-player/album.js
+++ b/music-player/album.js
@@ -1 +1,11 @@
-// Your code here
+
+const Artist = require('/.artist');
+class Album {
+     constructor (title, songcount, artist){
+          this.title = title;
+          this.songcount = songcount;
+          this.artist = artist;
+     }
+}
+
+module.exports = Album
diff --git a/music-player/artist.js b/music-player/artist.js
index 877a3aa..c792b5e 100644
--- a/music-player/artist.js
+++ b/music-player/artist.js
@@ -1 +1,11 @@
-// Your code here
+class Artist {
+  constructor(name, bandmembers, genre){
+     this.name = name;
+     this.bandmembers = bandmembers;
+     this.genre = genre;
+ }
+}
+
+let littleDragon = new Artist ("Little Dragon", ["Yukimi Nagano", "Erik Bodin", "Hakan Wirenstrand", "Frederik Wallin"], "Indie");
+
+console.log(littleDragon.artist)
diff --git a/music-player/song.js b/music-player/song.js
index 877a3aa..5bb0e1b 100644
--- a/music-player/song.js
+++ b/music-player/song.js
@@ -1 +1,30 @@
-// Your code here
+class Song {
+  constructor(title){
+     this.name = name;
+     this.length = length;
+ }
+ 
+ Song.prototype = {
+  play: function(){
+     return this.name + "plays";
+  },
+  pause: function(){
+       return this.name + "pauses";
+  };
+ }
+
+}
+
+// }
+//
+// class Artist {
+//   constructor(name, bandmembers, genre){
+//      this.name = name;
+//      this.bandmembers = bandmembers;
+//      this.genre = genre;
+//  }
+// }
+//
+// let littleDragon = new Artist (("Little Dragon", "Yukimi Nagano, Erik Bodin, Hakan Wirenstrand, Frederik Wallin", "Indie"));
+//
+//
diff --git a/npm-debug.log b/npm-debug.log
new file mode 100644
index 0000000..c2062c4
--- /dev/null
+++ b/npm-debug.log
@@ -0,0 +1,23 @@
+0 info it worked if it ends with ok
+1 verbose cli [ '/usr/local/bin/node',
+1 verbose cli   '/usr/local/bin/npm',
+1 verbose cli   'run',
+1 verbose cli   'test:stage2' ]
+2 info using npm@3.8.6
+3 info using node@v6.0.0
+4 verbose stack Error: ENOENT: no such file or directory, open '/Users/Jaszly/LG/oop-practice/package.json'
+4 verbose stack     at Error (native)
+5 verbose cwd /Users/Jaszly/LG/oop-practice
+6 error Darwin 15.4.0
+7 error argv "/usr/local/bin/node" "/usr/local/bin/npm" "run" "test:stage2"
+8 error node v6.0.0
+9 error npm  v3.8.6
+10 error path /Users/Jaszly/LG/oop-practice/package.json
+11 error code ENOENT
+12 error errno -2
+13 error syscall open
+14 error enoent ENOENT: no such file or directory, open '/Users/Jaszly/LG/oop-practice/package.json'
+15 error enoent ENOENT: no such file or directory, open '/Users/Jaszly/LG/oop-practice/package.json'
+15 error enoent This is most likely not a problem with npm itself
+15 error enoent and is related to npm not being able to find a file.
+16 verbose exit [ -2, true ]