diff --git a/01_Day_JavaScript_Refresher/objects/exercise1.js b/01_Day_JavaScript_Refresher/objects/exercise1.js
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+// Exercises: Level 1
+
+// 1. Create an empty object called dog
+const dog = {}
+
+// 2. Print the the dog object on the console
+console.log(dog)
+
+// 3. Add name, legs, color, age and bark properties for the dog object. The bark property is a method which return woof woof
+dog.name = 'Maze'
+dog.legs = '4'
+dog.color = 'Black'
+dog.age = '2 years'
+dog.bark = function () {
+    return 'woof woof'
+}
+
+// 4. Get name, legs, color, age and bark value from the dog object
+
+const name = dog.name
+const legs = dog.legs
+const color = dog.color
+const age = dog.age
+const bark = dog.bark();
+
+
+// 5. Set new properties the dog object: breed, getDogInfo
+dog.breed = 'Mixed'
+dog.getDogInfo = function () {
+    console.log(`
+    dog.name = ${this.name}
+    dog.legs =  ${this.legs}
+    dog.color = ${this.color}
+    dog.age = ${this.age}
+    dog.bark = ${this.bark()}
+    `)
+}
+
+dog.getDogInfo()
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