diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ba0430d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+__pycache__/
\ No newline at end of file
diff --git a/Slot.py b/Slot.py
new file mode 100644
index 0000000..61645bc
--- /dev/null
+++ b/Slot.py
@@ -0,0 +1,22 @@
+import pygame
+
+CUBE_SIZE=128
+WIDTH = 1024
+HEIGHT = 512
+BLACK=(0,0,0)
+BORDER_COLOR=BLACK
+BORDER_THICKNESS=1 #Has to be INT value
+class Slot:
+    def __init__(self,x_axis,y_axis,color,screen): #TODO crop and related to it things handling. for now as a place holder crop=>color
+        self.x_axis=x_axis
+        self.y_axis=y_axis
+        self.color=color
+        self.screen=screen
+        self.field=pygame.Rect(self.x_axis*CUBE_SIZE,self.y_axis*CUBE_SIZE,CUBE_SIZE,CUBE_SIZE)
+    def draw(self):
+        pygame.draw.rect(self.screen,self.color,self.field,0) #Draw field
+        pygame.draw.rect(self.screen,BLACK,self.field,BORDER_THICKNESS) #Draw border
+        pygame.display.update()
+    def color_change(self,color):
+        self.color=color
+        self.draw()
diff --git a/main.py b/main.py
index f8031d8..b7efa41 100644
--- a/main.py
+++ b/main.py
@@ -1,40 +1,91 @@
 import pygame
+import Slot
+import random
+import time
 
 pygame.init()
 
+
+BLACK = (0, 0, 0)
+BROWN = (139, 69, 19)
+WHITE = (255, 255, 255)
+RED=(255,0,0)
+GREEN=(0,255,0)
+
 CUBE_SIZE = 128
 NUM_X = 8
 NUM_Y = 4
 WIDTH = 1024
 HEIGHT = 512
 screen = pygame.display.set_mode((WIDTH, HEIGHT))
-WHITE = (255, 255, 255)
 screen.fill(WHITE)
 pygame.display.update()
-BLACK = (0, 0, 0)
-BROWN = (139, 69, 19)
 
+
+
+
+
+
+
+
+SLOT_DICT={} #Slot are stored in dictionary with key being a Tuple of x and y coordinates so top left slot key is (0,0) and value is slot object
+"""#Draw grid and tractor (old one)
 def draw_grid():
-    for x in range(NUM_X):
-        for y in range(NUM_Y):
-            pygame.draw.rect(screen, BROWN, (x * CUBE_SIZE, y * CUBE_SIZE, CUBE_SIZE, CUBE_SIZE))
-
-    for x in range(0, WIDTH, CUBE_SIZE):
-        pygame.draw.line(screen, BLACK, (x, 0), (x, HEIGHT))
-    for y in range(0, HEIGHT, CUBE_SIZE):
-        pygame.draw.line(screen, BLACK, (0, y), (WIDTH, y))
+    for x in range(0, 8):
+        pygame.draw.line(screen, BLACK, (x*CUBE_SIZE, 0), (x*CUBE_SIZE, HEIGHT)) #We got 8 lines in Y axis so to draw them we use x from range <0,7) to make slot manage easier
+    for y in range(0, 5):
+        pygame.draw.line(screen, BLACK, (0, y*CUBE_SIZE), (WIDTH, y*CUBE_SIZE)) #We got 4 lines in X axis so to draw them we use y from range <0,5) to make slot manage easier
 
     # Draw tractor
+    tractor_image = pygame.image.load('images/traktor.png')
+    tractor_image = pygame.transform.scale(tractor_image, (CUBE_SIZE, CUBE_SIZE))
+    screen.blit(tractor_image, (CUBE_SIZE - 128, CUBE_SIZE - 128))"""
+
+def draw_tractor(): #TODO? I think we should move draw_tractor to tractor class in the future
     tractor_image = pygame.image.load('images/traktor.png')
     tractor_image = pygame.transform.scale(tractor_image, (CUBE_SIZE, CUBE_SIZE))
     screen.blit(tractor_image, (CUBE_SIZE - 128, CUBE_SIZE - 128))
+    pygame.display.update()
+#Draw grid and tractor (new one)
+def draw_grid():
+    for x in range(0,8):
+        for y in range(0,5):
+            new_slot=Slot.Slot(x,y,BROWN,screen)
+            SLOT_DICT[(x,y)]=new_slot
+    for entity in SLOT_DICT:
+        SLOT_DICT[entity].draw()
+    draw_tractor()
 
+def change_color_of_slot(coordinates,color):
+    SLOT_DICT[coordinates].color_change(color)
 
+def random_color():
+    x=random.randint(0,3)
+    switcher={0:BROWN,
+              1:GREEN,
+              2:RED,
+              3:WHITE}
+    return switcher[x] 
+
+def randomize_colors():
+    font=pygame.font.Font('freesansbold.ttf',32)
+    text=font.render('Randomizing crops',True,BLACK,WHITE)
+    textRect=text.get_rect()
+    textRect.center=(WIDTH//2,HEIGHT//2)
+    screen.blit(text,textRect)
+    pygame.display.update()
+    time.sleep(3)
+    for coordinates in SLOT_DICT:
+        SLOT_DICT[coordinates].color_change(random_color())
+    draw_tractor()
+
+def init_demo():
+    draw_grid()
+    time.sleep(2)
+    randomize_colors()
+init_demo()
 while True:
     for event in pygame.event.get():
         if event.type == pygame.QUIT:
             quit()
 
-    draw_grid()
-
-    pygame.display.update()
\ No newline at end of file