diff --git a/libs/core/_locales/core-jsdoc-strings.json b/libs/core/_locales/core-jsdoc-strings.json
index 72ee4d8c..489af20e 100644
--- a/libs/core/_locales/core-jsdoc-strings.json
+++ b/libs/core/_locales/core-jsdoc-strings.json
@@ -30,7 +30,7 @@
   "input.GyroSensor.rate": "Get the current rotation rate from the gyroscope.",
   "input.IrSensor.distance": "Get the distance measured by the infrared sensor.",
   "input.IrSensor.remoteCommand": "Get the remote commandreceived the infrared sensor.",
-  "input.UltraSonicSensor.getDistance": "Get distance in mm",
+  "input.UltraSonicSensor.distance": "Gets the distance from the sonar in millimeters",
   "input.buttonDown": "Down button.",
   "input.buttonEnter": "Enter button.",
   "input.buttonLeft": "Left button.",
diff --git a/libs/core/_locales/core-strings.json b/libs/core/_locales/core-strings.json
index dd67b605..67abf2d5 100644
--- a/libs/core/_locales/core-strings.json
+++ b/libs/core/_locales/core-strings.json
@@ -25,6 +25,7 @@
   "input.GyroSensor.rate|block": "%color|rotation rate",
   "input.IrSensor.distance|block": "%infrared|distance",
   "input.IrSensor.remoteCommand|block": "%infrared|remote command",
+  "input.UltraSonicSensor.distance|block": "%sonar|distance",
   "input.buttonDown|block": "button down",
   "input.buttonEnter|block": "button enter",
   "input.buttonLeft|block": "button left",
@@ -47,6 +48,10 @@
   "input.touchSensor2|block": "touch sensor 2",
   "input.touchSensor3|block": "touch sensor 3",
   "input.touchSensor4|block": "touch sensor 4",
+  "input.ultrasonic1|block": "ultrasonic 1",
+  "input.ultrasonic2|block": "ultrasonic 1",
+  "input.ultrasonic3|block": "ultrasonic 1",
+  "input.ultrasonic4|block": "ultrasonic 1",
   "input|block": "input",
   "output.getCurrentSpeed|block": "motor %out|speed",
   "output.pattern|block": "%pattern",
@@ -65,9 +70,12 @@
   "{id:category}Output": "Output",
   "{id:category}Screen": "Screen",
   "{id:category}Serial": "Serial",
+  "{id:group}Buttons": "Buttons",
   "{id:group}Color Sensor": "Color Sensor",
   "{id:group}Gyroscope": "Gyroscope",
+  "{id:group}Infrared sensor": "Infrared sensor",
   "{id:group}Lights": "Lights",
   "{id:group}Motors": "Motors",
-  "{id:group}Screen": "Screen"
+  "{id:group}Screen": "Screen",
+  "{id:group}Sonar": "Sonar"
 }
\ No newline at end of file
diff --git a/libs/core/buttons.ts b/libs/core/buttons.ts
index 2090b9f8..1ef7d54c 100644
--- a/libs/core/buttons.ts
+++ b/libs/core/buttons.ts
@@ -93,6 +93,7 @@ namespace input {
         //% button.fieldOptions.width=220
         //% button.fieldOptions.columns=3
         //% weight=81 blockGap=8
+        //% group="Buttons"
         isPressed() {
             return this._isPressed
         }
@@ -110,6 +111,7 @@ namespace input {
         //% button.fieldOptions.width=220
         //% button.fieldOptions.columns=3
         //% weight=80 blockGap=8
+        //% group="Buttons"
         wasPressed() {
             const r = this._wasPressed
             this._wasPressed = false
@@ -130,6 +132,7 @@ namespace input {
         //% button.fieldOptions.width=220
         //% button.fieldOptions.columns=3
         //% weight=99
+        //% group="Buttons"
         onEvent(ev: ButtonEvent, body: () => void) {
             control.onEvent(this._id, ev, body)
         }
diff --git a/libs/core/ir.ts b/libs/core/ir.ts
index 542a86f1..492fa700 100644
--- a/libs/core/ir.ts
+++ b/libs/core/ir.ts
@@ -118,7 +118,8 @@ namespace input {
         //% blockId=infraredGetDistance
         //% parts="infrared"
         //% blockNamespace=input
-        //% weight=65 blockGap=8        
+        //% weight=65 blockGap=8   
+        //% group="Infrared sensor"     
         distance() {
             this.setMode(IrSensorMode.Proximity)
             return this.getNumber(NumberFormat.UInt8LE, 0)
@@ -134,6 +135,7 @@ namespace input {
         //% parts="infrared"
         //% blockNamespace=input
         //% weight=65 blockGap=8        
+        //% group="Infrared sensor"     
         remoteCommand() {
             this.setMode(IrSensorMode.RemoteControl)
             return this.getNumber(NumberFormat.UInt8LE, this.channel)
diff --git a/libs/core/ultrasonic.ts b/libs/core/ultrasonic.ts
index 0a16cb20..14e3166e 100644
--- a/libs/core/ultrasonic.ts
+++ b/libs/core/ultrasonic.ts
@@ -1,5 +1,6 @@
 namespace input {
 
+    //% fixedInstances
     export class UltraSonicSensor extends internal.UartSensor {
         constructor(port: number) {
             super(port)
@@ -9,23 +10,33 @@ namespace input {
             return DAL.DEVICE_TYPE_ULTRASONIC
         }
 
-        /** Get distance in mm */
-        getDistance() {
+        /**
+         * Gets the distance from the sonar in millimeters
+         * @param sonar the ultrasonic sensor
+         */
+        //% help=input/ultrasonic/distance
+        //% block="%sonar|distance"
+        //% blockId=sonarGetDistance
+        //% parts="ultrasonic"
+        //% blockNamespace=input
+        //% weight=65 blockGap=8   
+        //% group="Sonar"     
+        distance() {
             // it supposedly also has an inch mode, but we stick to mm
             this._setMode(0)
             return this.getNumber(NumberFormat.UInt16LE, 0) & 0x0fff
         }
     }
 
-    //% whenUsed
+    //% fixedInstance whenUsed block="ultrasonic 1"
     export const ultrasonic1: UltraSonicSensor = new UltraSonicSensor(1)
 
-    //% whenUsed
+    //% fixedInstance whenUsed block="ultrasonic 1"
     export const ultrasonic2: UltraSonicSensor = new UltraSonicSensor(2)
 
-    //% whenUsed
+    //% fixedInstance whenUsed block="ultrasonic 1"
     export const ultrasonic3: UltraSonicSensor = new UltraSonicSensor(3)
 
-    //% whenUsed
+    //% fixedInstance whenUsed block="ultrasonic 1"
     export const ultrasonic4: UltraSonicSensor = new UltraSonicSensor(4)
 }