diff --git a/README.md b/README.md
index 24f7013..6f60944 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,12 @@ Space collector game
 
 Changes the speed and angle of the spaceship.
 
+Maximum speed:
+
+- 1 000 kms/s for collectors
+- 2 000 kms/s for explorers
+- 3 000 kms/s for attackers
+
 ### Fire
 
 `Fire {ship_id} {angle}`
diff --git a/space_collector/game/player.py b/space_collector/game/player.py
index 07dcfda..654c5d7 100644
--- a/space_collector/game/player.py
+++ b/space_collector/game/player.py
@@ -60,7 +60,12 @@ def spaceship_by_id(self, id_: int) -> Spaceship:
 
     def move(self, parameters: list[str]) -> str:
         ship_id, angle, speed = (int(param) for param in parameters)
+        angle %= 360
         spaceship = self.spaceship_by_id(ship_id)
+        if speed > spaceship.MAX_SPEED:
+            raise ValueError(f"Max speed excedeed {speed}/{spaceship.MAX_SPEED}")
+        if speed < 0:
+            raise ValueError("Negative speed not allowed")
         spaceship.move(angle, speed)
         return "OK"
 
diff --git a/space_collector/game/spaceship.py b/space_collector/game/spaceship.py
index a48c7f4..182e600 100644
--- a/space_collector/game/spaceship.py
+++ b/space_collector/game/spaceship.py
@@ -1,11 +1,13 @@
 import math
 from dataclasses import dataclass
+from typing import ClassVar
 
 from space_collector.game.constants import MAP_DIMENSION
 
 
 @dataclass
 class Spaceship:
+    MAX_SPEED: ClassVar[input]
     id: int
     x: float
     y: float
@@ -47,15 +49,21 @@ def state(self) -> dict:
 
 
 class Collector(Spaceship):
+    MAX_SPEED = 1000
+
     def __init__(self, id_: int, x: int, y: int, angle: int) -> None:
         super().__init__(id_, x, y, angle, 0, False, "collector")
 
 
 class Attacker(Spaceship):
+    MAX_SPEED = 3000
+
     def __init__(self, id_: int, x: int, y: int, angle: int) -> None:
         super().__init__(id_, x, y, angle, 0, False, "attacker")
 
 
 class Explorer(Spaceship):
+    MAX_SPEED = 2000
+
     def __init__(self, id_: int, x: int, y: int, angle: int) -> None:
         super().__init__(id_, x, y, angle, 0, False, "explorer")