diff --git a/src/pocketmine/block/DaylightSensor.php b/src/pocketmine/block/DaylightSensor.php
index 286a7582d..94d6405c4 100644
--- a/src/pocketmine/block/DaylightSensor.php
+++ b/src/pocketmine/block/DaylightSensor.php
@@ -32,4 +32,8 @@ class DaylightSensor extends Transparent{
 	public function getName(){
 		return "Daylight Sensor";
 	}
+
+	public function getHardness(){
+		return 0.2;
+	}
 }
diff --git a/src/pocketmine/block/Rail.php b/src/pocketmine/block/Rail.php
index cbdf6ab40..bfa7fb538 100644
--- a/src/pocketmine/block/Rail.php
+++ b/src/pocketmine/block/Rail.php
@@ -32,4 +32,8 @@ class Rail extends Flowable{
 	public function getName(){
 		return "Rail";
 	}
+
+	public function getHardness(){
+		return 0.7;
+	}
 }
diff --git a/src/pocketmine/block/StoneButton.php b/src/pocketmine/block/StoneButton.php
index 80b376a03..455f544fe 100644
--- a/src/pocketmine/block/StoneButton.php
+++ b/src/pocketmine/block/StoneButton.php
@@ -32,4 +32,8 @@ class StoneButton extends Flowable{
 	public function getName(){
 		return "Stone Button";
 	}
+
+	public function getHardness(){
+		return 0.5;
+	}
 }
diff --git a/src/pocketmine/block/StonePressurePlate.php b/src/pocketmine/block/StonePressurePlate.php
index 7eb68b52e..e5ae7ca14 100644
--- a/src/pocketmine/block/StonePressurePlate.php
+++ b/src/pocketmine/block/StonePressurePlate.php
@@ -36,4 +36,8 @@ class StonePressurePlate extends Transparent{
 	public function isSolid(){
 		return false;
 	}
+
+	public function getHardness(){
+		return 0.5;
+	}
 }
diff --git a/src/pocketmine/block/WeightedPressurePlateLight.php b/src/pocketmine/block/WeightedPressurePlateLight.php
index df54e54d2..f5dce7447 100644
--- a/src/pocketmine/block/WeightedPressurePlateLight.php
+++ b/src/pocketmine/block/WeightedPressurePlateLight.php
@@ -36,4 +36,8 @@ class WeightedPressurePlateLight extends Transparent{
 	public function isSolid(){
 		return false;
 	}
+
+	public function getHardness(){
+		return 0.5;
+	}
 }