diff --git a/field.py b/field.py
index b72710f..226abec 100644
--- a/field.py
+++ b/field.py
@@ -1,38 +1,51 @@
 import pygame
 pygame.init()
-
+BLACK = (0, 0, 0)
+WHITE = (200, 200, 200)
 BLUE = (46, 34, 240)
-WHITE = (255, 255, 255)
-W = 600
-H = 400
-sc = pygame.display.set_mode((W, H))
-pygame.display.set_caption("Pole i ciągnik")
-pygame.display.set_icon(pygame.image.load("icon.png"))
+WINDOW_HEIGHT = 600
+WINDOW_WIDTH = 600
+BLOCK_SIZE = 40
 
-clock = pygame.time.Clock()
-FPS = 60
 
-x = W // 2
-y = H // 2
-speed = 20
 
-flRunning = True
-while flRunning:
-    for event in pygame.event.get():
-        if event.type == pygame.QUIT:
-            pygame.quit()
-            flRunning = False
-        elif event.type == pygame.KEYDOWN:
-            if event.key == pygame.K_LEFT:
-                x -= speed
-            elif event.key == pygame.K_RIGHT:
-                x += speed
-            elif event.key == pygame.K_DOWN:
-                y += speed
-            elif event.key == pygame.K_UP:
-                y -= speed
-    sc.fill(WHITE)
-    pygame.draw.rect(sc, BLUE, (x, y, 20, 20))
-    pygame.display.update()
+def drawGrid():
+     #Set the size of the grid block
+    for x in range(0, WINDOW_WIDTH, BLOCK_SIZE):
+        for y in range(0, WINDOW_HEIGHT, BLOCK_SIZE):
+            rect = pygame.Rect(x, y, BLOCK_SIZE, BLOCK_SIZE)
+            pygame.draw.rect(sc, WHITE, rect, 1)
+def draw_interface():
+    global sc
+    sc = pygame.display.set_mode((WINDOW_WIDTH, WINDOW_HEIGHT))
+    pygame.display.set_caption("Pole i ciągnik")
+    pygame.display.set_icon(pygame.image.load("icon.png"))
 
-    clock.tick(FPS)
\ No newline at end of file
+    clock = pygame.time.Clock()
+    sc.fill(BLACK)
+    FPS = 60
+
+    x = BLOCK_SIZE / 4
+    y = BLOCK_SIZE / 4
+
+    flRunning = True
+    while flRunning:
+        sc.fill(BLACK)
+        drawGrid()
+        for event in pygame.event.get():
+            if event.type == pygame.QUIT:
+                pygame.quit()
+                flRunning = False
+            elif event.type == pygame.KEYDOWN:
+                if event.key == pygame.K_LEFT:
+                    x -= BLOCK_SIZE
+                elif event.key == pygame.K_RIGHT:
+                    x += BLOCK_SIZE
+                elif event.key == pygame.K_DOWN:
+                    y += BLOCK_SIZE
+                elif event.key == pygame.K_UP:
+                    y -= BLOCK_SIZE
+        pygame.draw.rect(sc, BLUE, (x, y, BLOCK_SIZE / 2, BLOCK_SIZE / 2))
+        pygame.display.update()
+
+        clock.tick(FPS)
\ No newline at end of file
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..a1bffd0
--- /dev/null
+++ b/main.py
@@ -0,0 +1,2 @@
+from field import *
+draw_interface()
\ No newline at end of file