diff --git a/modulo8/Estrutura-de-dados/package.json b/modulo8/Estrutura-de-dados/package.json
new file mode 100644
index 0000000..b5b330c
--- /dev/null
+++ b/modulo8/Estrutura-de-dados/package.json
@@ -0,0 +1,14 @@
+{
+    "scripts": {
+       "array": "clear && tsnd --transpile-only --ignore-watch node_modules ./src/Array",
+       "linked-list": "clear && tsnd --transpile-only --ignore-watch node_modules ./src/LinkedList",
+       "stack": "clear && tsnd --transpile-only --ignore-watch node_modules ./src/Stack",
+       "queue": "clear && tsnd --transpile-only --ignore-watch node_modules ./src/Queue"
+    },
+    "devDependencies": {
+       "@types/node": "^15.3.0",
+       "ts-node-dev": "^1.1.6",
+       "typescript": "^4.2.4"
+    }
+ }
+ 
\ No newline at end of file
diff --git a/modulo8/Estrutura-de-dados/src/Array/index.ts b/modulo8/Estrutura-de-dados/src/Array/index.ts
new file mode 100644
index 0000000..0e4fe39
--- /dev/null
+++ b/modulo8/Estrutura-de-dados/src/Array/index.ts
@@ -0,0 +1,50 @@
+const labenuGroups: string[] = [
+    "Newton",
+    "Bouman", 
+    "Sagan",
+    "Hamilton",
+    "Julian", 
+    "Melo",
+    "Turing",
+    "Jackson",
+    "Tang",
+    "Dumont "
+ ]
+ 
+ 
+ // const matriz = [
+ //    [1,0],
+ //    [0,1],
+ //    [0,0]
+ // ]
+ 
+ // for(let linha of matriz){
+ //    for(let coluna of linha){
+ //       // lógica
+ //    }
+ // }
+ 
+ 
+ const customSplice = (
+    array: any[],
+    index: number,
+    deleteCount: number = 1
+ ): any => {
+    const removedItems = []
+ 
+    for (let i = index; i < index + deleteCount; i++) {
+       removedItems.push(array[i])
+    }
+ 
+    for (let i = index; i < array.length; i++) {
+       array[i] = array[i + deleteCount]
+    }
+ 
+    array.length -= deleteCount
+ 
+    return removedItems
+ }
+ 
+ const item = customSplice(labenuGroups, 1, 3)
+ 
+ // console.log({ labenuGroups, item });
\ No newline at end of file
diff --git a/modulo8/Estrutura-de-dados/src/LinkedList/ListNode.ts b/modulo8/Estrutura-de-dados/src/LinkedList/ListNode.ts
new file mode 100644
index 0000000..ee9c675
--- /dev/null
+++ b/modulo8/Estrutura-de-dados/src/LinkedList/ListNode.ts
@@ -0,0 +1,10 @@
+export class ListNode {
+    constructor(
+       public value: any,
+       public next: ListNode | null = null
+    ) { }
+ 
+ 
+ }
+ 
+ export const node = new ListNode("segunda", new ListNode("terça"))
\ No newline at end of file
diff --git a/modulo8/Estrutura-de-dados/src/LinkedList/index.ts b/modulo8/Estrutura-de-dados/src/LinkedList/index.ts
new file mode 100644
index 0000000..f2792a7
--- /dev/null
+++ b/modulo8/Estrutura-de-dados/src/LinkedList/index.ts
@@ -0,0 +1,49 @@
+import { ListNode, node } from "./ListNode";
+
+export class LinkedList {
+   constructor(
+      public start: ListNode | null = null
+   ) { }
+
+   public addToTail = (
+      value: any
+   ): void | undefined => {
+
+      if (!this.start) {
+         this.start = new ListNode(value)
+         return
+      }
+
+      let currentNode = this.start
+
+      while (currentNode.next !== null) {
+         currentNode = currentNode.next
+      }
+
+      currentNode.next = new ListNode(value)
+
+   }
+
+   public find = (
+      value: any
+   ): ListNode | null => {
+
+      let currentNode = this.start
+
+      while(
+         currentNode !== null &&
+         currentNode.value !== value
+         ){
+         currentNode = currentNode.next
+      }
+
+      return currentNode
+   }
+}
+
+const list = new LinkedList()
+
+list.addToTail("segunda")
+list.addToTail("terça")
+list.addToTail("quarta")
+list.addToTail("quinta")
\ No newline at end of file
diff --git a/modulo8/Estrutura-de-dados/src/Queue/index.ts b/modulo8/Estrutura-de-dados/src/Queue/index.ts
new file mode 100644
index 0000000..ab2d67c
--- /dev/null
+++ b/modulo8/Estrutura-de-dados/src/Queue/index.ts
@@ -0,0 +1,35 @@
+import { LinkedList } from "../LinkedList";
+import { ListNode } from "../LinkedList/ListNode";
+
+export class Queue {
+   constructor(
+      public items: LinkedList = new LinkedList()
+   ) { }
+
+   public isEmpty = (): boolean => this.items.start === null
+
+   public enqueue = (
+      value: any
+   ): void => {
+      this.items.addToTail(value)
+   }
+
+   public dequeue = (): ListNode | null => {
+
+      if (this.items.start === null) return null
+
+      const removedItem = { ...this.items.start }
+
+      this.items.start = this.items.start.next
+
+      return removedItem
+   }
+}
+
+const requests = new Queue()
+
+requests.enqueue("request 1")
+requests.enqueue("request 2")
+requests.enqueue("request 3")
+
+const request = requests.dequeue()
\ No newline at end of file
diff --git a/modulo8/Estrutura-de-dados/src/Stack/index.ts b/modulo8/Estrutura-de-dados/src/Stack/index.ts
new file mode 100644
index 0000000..e179e5a
--- /dev/null
+++ b/modulo8/Estrutura-de-dados/src/Stack/index.ts
@@ -0,0 +1,33 @@
+export class Stack {
+    constructor(
+       public frames: any[] = []
+    ) { }
+ 
+    public isEmpty = () => this.frames.length === 0
+ 
+    public push = (
+       value: any
+    ): void => {
+ 
+       const index = this.frames.length
+ 
+       this.frames[index] = value
+    }
+ 
+    public pop = ():any=>{
+ 
+       const index = this.frames.length - 1
+ 
+       const removedItem = this.frames[index]
+ 
+       this.frames.length--
+ 
+       return removedItem
+    }
+ }
+ 
+ const stack = new Stack()
+ 
+ stack.push("segunda")
+ stack.push("terça")
+ stack.push("quarta")
\ No newline at end of file
diff --git a/modulo8/Estrutura-de-dados/tsconfig.json b/modulo8/Estrutura-de-dados/tsconfig.json
new file mode 100644
index 0000000..245e0bf
--- /dev/null
+++ b/modulo8/Estrutura-de-dados/tsconfig.json
@@ -0,0 +1,14 @@
+{
+    "compilerOptions": {
+       "target": "es6",
+       "module": "commonjs",
+       "sourceMap": true,
+       "outDir": "./build",
+       "rootDir": "./src",
+       "removeComments": true,
+       "strict": true,
+       "esModuleInterop": true,
+       "skipLibCheck": true,
+       "forceConsistentCasingInFileNames": true
+    }
+ }
\ No newline at end of file