diff --git a/libs/color-sensor/_locales/color-sensor-strings.json b/libs/color-sensor/_locales/color-sensor-strings.json
index cb650083..c7eaad2e 100644
--- a/libs/color-sensor/_locales/color-sensor-strings.json
+++ b/libs/color-sensor/_locales/color-sensor-strings.json
@@ -19,7 +19,7 @@
   "sensors.ColorSensor.onLightChanged|block": "on %sensor|%mode|%condition",
   "sensors.ColorSensor.pauseForColor|block": "pause %sensor|for color %color",
   "sensors.ColorSensor.pauseForLight|block": "pause %sensor|for %mode|%condition",
-  "sensors.ColorSensor.setThreshold|block": "set %condition|to %value",
+  "sensors.ColorSensor.setThreshold|block": "set %sensor|%condition|to %value",
   "sensors.color1|block": "color 1",
   "sensors.color2|block": "color 2",
   "sensors.color3|block": "color 3",
diff --git a/libs/color-sensor/color.ts b/libs/color-sensor/color.ts
index f6590e9f..9886689e 100644
--- a/libs/color-sensor/color.ts
+++ b/libs/color-sensor/color.ts
@@ -227,8 +227,9 @@ namespace sensors {
          * @param condition the dark or bright light condition
          * @param value the value threshold
          */
-        //% blockId=colorSetThreshold block="set %condition|to %value"
+        //% blockId=colorSetThreshold block="set %sensor|%condition|to %value"
         //% group="Threshold" blockGap=8 weight=90
+        //% value.min=0 value.max=100
         setThreshold(condition: LightCondition, value: number) {
             if (condition == LightCondition.Dark)
                 this.thresholdDetector.setLowThreshold(value)
diff --git a/libs/infrared-sensor/_locales/infrared-sensor-strings.json b/libs/infrared-sensor/_locales/infrared-sensor-strings.json
index 1d53da6d..b00bc03f 100644
--- a/libs/infrared-sensor/_locales/infrared-sensor-strings.json
+++ b/libs/infrared-sensor/_locales/infrared-sensor-strings.json
@@ -5,7 +5,7 @@
   "sensors.InfraredSensor.pauseUntil|block": "pause until %sensor| %event",
   "sensors.InfraredSensor.proximity|block": "%sensor|proximity",
   "sensors.InfraredSensor.remoteCommand|block": "%sensor|remote command",
-  "sensors.InfraredSensor.setThreshold|block": "set %condition|to %value",
+  "sensors.InfraredSensor.setThreshold|block": "set %sensor|%condition|to %value",
   "sensors.RemoteInfraredBeaconButton.isPressed|block": "%button|is pressed",
   "sensors.RemoteInfraredBeaconButton.onEvent|block": "on %button|%event",
   "sensors.RemoteInfraredBeaconButton.wasPressed|block": "%button|was pressed",
diff --git a/libs/infrared-sensor/ir.ts b/libs/infrared-sensor/ir.ts
index 79da5f07..17426c68 100644
--- a/libs/infrared-sensor/ir.ts
+++ b/libs/infrared-sensor/ir.ts
@@ -257,8 +257,9 @@ namespace sensors {
          * @param condition the dark or bright light condition
          * @param value the value threshold
          */
-        //% blockId=irSetThreshold block="set %condition|to %value"
+        //% blockId=irSetThreshold block="set %sensor|%condition|to %value"
         //% group="Threshold" blockGap=8
+        //% value.min=0 value.max=100
         setThreshold(condition: InfraredSensorEvent, value: number) {
             if (condition == InfraredSensorEvent.ObjectNear)
                 this.proximityThreshold.setLowThreshold(value)
diff --git a/libs/ultrasonic-sensor/_locales/ultrasonic-sensor-strings.json b/libs/ultrasonic-sensor/_locales/ultrasonic-sensor-strings.json
index d5ffd898..8059b245 100644
--- a/libs/ultrasonic-sensor/_locales/ultrasonic-sensor-strings.json
+++ b/libs/ultrasonic-sensor/_locales/ultrasonic-sensor-strings.json
@@ -5,7 +5,7 @@
   "sensors.UltraSonicSensor.distance|block": "%sensor|distance",
   "sensors.UltraSonicSensor.onEvent|block": "on %sensor|%event",
   "sensors.UltraSonicSensor.pauseUntil|block": "pause until %sensor| %event",
-  "sensors.UltraSonicSensor.setThreshold|block": "set %condition|to %value",
+  "sensors.UltraSonicSensor.setThreshold|block": "set %sensor|%condition|to %value",
   "sensors.ultrasonic1|block": "ultrasonic 1",
   "sensors.ultrasonic2|block": "ultrasonic 2",
   "sensors.ultrasonic3|block": "ultrasonic 3",
diff --git a/libs/ultrasonic-sensor/ultrasonic.ts b/libs/ultrasonic-sensor/ultrasonic.ts
index fa879b04..906ba98d 100644
--- a/libs/ultrasonic-sensor/ultrasonic.ts
+++ b/libs/ultrasonic-sensor/ultrasonic.ts
@@ -92,8 +92,9 @@ namespace sensors {
          * @param condition the dark or bright light condition
          * @param value the value threshold
          */
-        //% blockId=ultrasonicSetThreshold block="set %condition|to %value"
+        //% blockId=ultrasonicSetThreshold block="set %sensor|%condition|to %value"
         //% group="Threshold" blockGap=8
+        //% value.min=0 value.max=255
         setThreshold(condition: UltrasonicSensorEvent, value: number) {            
             switch(condition) {
                 case UltrasonicSensorEvent.ObjectNear: this.promixityThreshold.setLowThreshold(value); break;