diff --git a/frontend/game.ts b/frontend/game.ts
index 5f03dc3..fdeda1b 100644
--- a/frontend/game.ts
+++ b/frontend/game.ts
@@ -2,4 +2,12 @@ function setup() {
     createCanvas(400, 400)
     background(187)
     line(0,0, 400,400)
+}
+
+function draw() {
+
+}
+
+function keyPressed() {
+    
 }
\ No newline at end of file
diff --git a/frontend/models/Entity.ts b/frontend/models/Entity.ts
index d5594a4..b753b28 100644
--- a/frontend/models/Entity.ts
+++ b/frontend/models/Entity.ts
@@ -1,7 +1,8 @@
-class Entity {
-   private _position: Position;
-   private _width: number;
-   private _height: number;
+abstract class Entity {
+    private _position: Position;
+    private _width: number;
+    private _height: number;
+    private _fill: number;
 
     get position(): Position {
         return this._position;
@@ -26,4 +27,17 @@ class Entity {
     set height(value: number) {
         this._height = value;
     }
-}
\ No newline at end of file
+
+    constructor(position: Position, width: number, height: number, fill: number) {
+        this.position = position;
+        this.width = width;
+        this.height = height;
+        this._fill = fill;
+    }
+
+    public abstract update();
+    public draw() {
+        fill(this._fill);
+        rect(this.position.x, this.position.y, this.width, this.height);
+    }
+}
diff --git a/frontend/models/Raspberry.ts b/frontend/models/Raspberry.ts
new file mode 100644
index 0000000..325e94c
--- /dev/null
+++ b/frontend/models/Raspberry.ts
@@ -0,0 +1,32 @@
+class Raspberry extends Entity{
+    private lift: number = -10;
+    private gravity: number = 1;
+    private velocity: number = 0;
+
+    update() {
+        this.applyGravity();
+        this.forceBoundaries();
+    }
+
+    private applyGravity() {
+        if (this.position.y - this.height > 0) {
+            this.velocity += this.gravity;
+        }
+    }
+
+    private forceBoundaries() {
+        if (this.position.y > height) {
+            this.position.y = height;
+            this.velocity = 0;
+        }
+
+        if (this.position.y < 0) {
+            this.position.y = 0;
+            this.velocity = 0;
+        }
+    }
+
+    public boost() {
+        this.velocity += this.lift;
+    }
+}
\ No newline at end of file