diff --git a/blocks/Blocks.js b/blocks/Blocks.js
index 73df5c8..f425607 100644
--- a/blocks/Blocks.js
+++ b/blocks/Blocks.js
@@ -7,7 +7,7 @@ const handle_BlockConstructor = {
       .setAlign(Blockly.inputs.Align.LEFT)
       .appendField('Block Constructor Handler');
     this.appendStatementInput('CODE');
-    this.setTooltip('');
+    this.setTooltip('Runs when the block type is initialised.\nNo return value expected.');
     this.setHelpUrl('');
     this.setColour(0);
   }
@@ -16,7 +16,7 @@ Blockly.common.defineBlocks({ handle_BlockConstructor: handle_BlockConstructor }
 
 javascript.javascriptGenerator.forBlock['handle_BlockConstructor'] = function (block) {
   const statement = javascript.javascriptGenerator.statementToCode(this, 'CODE');
-  return {code: statement, args: []};
+  return { code: statement, args: [] };
 }
 
 
@@ -94,7 +94,7 @@ const handle_BlockBreak = {
       .appendField(new Blockly.FieldVariable('position'), 'BLOCKPOS');
     this.appendStatementInput('CODE');
     this.setInputsInline(false)
-    this.setTooltip('');
+    this.setTooltip('Runs when the block is removed from the world.\nNo return value expected.');
     this.setHelpUrl('');
     this.setColour(0);
   }
@@ -121,7 +121,7 @@ const handle_BlockAdded = {
       .appendField(new Blockly.FieldVariable('position'), 'BLOCKPOS');
     this.appendStatementInput('CODE');
     this.setInputsInline(false)
-    this.setTooltip('');
+    this.setTooltip('Runs when the block is added to the world.\nNo return value expected.');
     this.setHelpUrl('');
     this.setColour(0);
   }
@@ -148,7 +148,7 @@ const handle_BlockNeighbourChange = {
       .appendField(new Blockly.FieldVariable('position'), 'BLOCKPOS');
     this.appendStatementInput('CODE');
     this.setInputsInline(false)
-    this.setTooltip('');
+    this.setTooltip('Runs when a block\'s neighbor is changed.\nNo return value expected.');
     this.setHelpUrl('');
     this.setColour(0);
   }
@@ -160,4 +160,130 @@ javascript.javascriptGenerator.forBlock['handle_BlockNeighbourChange'] = functio
   const variable_blockpos = javascript.javascriptGenerator.getVariableName(this.getFieldValue('BLOCKPOS'));
   const statement = javascript.javascriptGenerator.statementToCode(this, 'CODE');
   return { code: statement, args: [variable_world, variable_blockpos, "$$blockstate"] };
+}
+
+
+
+const handle_BlockBrokenByPlayer = {
+  init: function () {
+    this.appendDummyInput('ID')
+      .appendField('Handler ID:')
+      .appendField(new Blockly.FieldTextInput('block broken by player 1'), 'ID');
+    this.appendDummyInput('')
+      .appendField('Block Broken By Player Handler with:')
+      .appendField(new Blockly.FieldVariable('world'), 'WORLD')
+      .appendField(new Blockly.FieldVariable('position'), 'BLOCKPOS');
+    this.appendStatementInput('CODE');
+    this.setInputsInline(false)
+    this.setTooltip('Runs when a block is broken by a player.\nNo return value expected.');
+    this.setHelpUrl('');
+    this.setColour(0);
+  }
+};
+Blockly.common.defineBlocks({ handle_BlockBrokenByPlayer: handle_BlockBrokenByPlayer });
+
+javascript.javascriptGenerator.forBlock['handle_BlockBrokenByPlayer'] = function () {
+  const variable_world = javascript.javascriptGenerator.getVariableName(this.getFieldValue('WORLD'));
+  const variable_blockpos = javascript.javascriptGenerator.getVariableName(this.getFieldValue('BLOCKPOS'));
+  const statement = javascript.javascriptGenerator.statementToCode(this, 'CODE');
+  return { code: statement, args: [variable_world, variable_blockpos, "$$blockstate"] };
+}
+
+
+const handle_BlockUpdateTick = {
+  init: function () {
+    this.appendDummyInput('ID')
+      .appendField('Handler ID:')
+      .appendField(new Blockly.FieldTextInput('block update tick 1'), 'ID');
+    this.appendDummyInput('')
+      .appendField('Block Update Tick Handler with:')
+      .appendField(new Blockly.FieldVariable('world'), 'WORLD')
+      .appendField(new Blockly.FieldVariable('position'), 'BLOCKPOS');
+    this.appendStatementInput('CODE');
+    this.setInputsInline(false)
+    this.setTooltip('Runs when a block is ticked.\nNo return value expected.');
+    this.setHelpUrl('');
+    this.setColour(0);
+  }
+};
+Blockly.common.defineBlocks({ handle_BlockUpdateTick: handle_BlockUpdateTick });
+
+javascript.javascriptGenerator.forBlock['handle_BlockUpdateTick'] = function () {
+  const variable_world = javascript.javascriptGenerator.getVariableName(this.getFieldValue('WORLD'));
+  const variable_blockpos = javascript.javascriptGenerator.getVariableName(this.getFieldValue('BLOCKPOS'));
+  const statement = javascript.javascriptGenerator.statementToCode(this, 'CODE');
+  return { code: statement, args: [variable_world, variable_blockpos, "$$blockstate", "$$random"] };
+}
+
+
+
+
+const blocks_boundingbox = {
+  init: function () {
+    this.appendDummyInput('MIN')
+      .setAlign(Blockly.inputs.Align.RIGHT)
+      .appendField('Set block bounds to min:')
+      .appendField(new Blockly.FieldNumber(0), 'MINX')
+      .appendField(new Blockly.FieldNumber(0), 'MINY')
+      .appendField(new Blockly.FieldNumber(0), 'MINZ');
+    this.appendDummyInput('MAX')
+      .setAlign(Blockly.inputs.Align.RIGHT)
+      .appendField('max:')
+      .appendField(new Blockly.FieldNumber(1), 'MAXX')
+      .appendField(new Blockly.FieldNumber(1), 'MAXY')
+      .appendField(new Blockly.FieldNumber(1), 'MAXZ');
+    this.setInputsInline(false)
+    this.setPreviousStatement(true, null);
+    this.setNextStatement(true, null);
+    this.setTooltip('Sets the block\'s bounding box');
+    this.setHelpUrl('');
+    this.setColour(0);
+  }
+};
+Blockly.common.defineBlocks({ blocks_boundingbox: blocks_boundingbox });
+javascript.javascriptGenerator.forBlock['blocks_boundingbox'] = function () {
+  const number_minx = block.getFieldValue('MINX');
+  const number_miny = block.getFieldValue('MINY');
+  const number_minz = block.getFieldValue('MINZ');
+  const number_maxx = block.getFieldValue('MAXX');
+  const number_maxy = block.getFieldValue('MAXY');
+  const number_maxz = block.getFieldValue('MAXZ');
+  const code = `this.$setBlockBounds(${number_minx}, ${number_miny}, ${number_minz}, ${number_maxx}, ${number_maxy}, ${number_maxz})`;
+  return code;
+}
+
+
+
+const blocks_creativetab = {
+  init: function () {
+    this.appendDummyInput('TAB')
+      .setAlign(Blockly.inputs.Align.RIGHT)
+      .appendField('Set block creative tab to')
+      .appendField(new Blockly.FieldDropdown([
+        ["tabBlock", "tabBlock"],
+        ["tabDecorations", "tabDecorations"],
+        ["tabRedstone", "tabRedstone"],
+        ["tabTransport", "tabTransport"],
+        ["tabMisc", "tabMisc"],
+        ["tabAllSearch", "tabAllSearch"],
+        ["tabFood", "tabFood"],
+        ["tabTools", "tabTools"],
+        ["tabCombat", "tabCombat"],
+        ["tabBrewing", "tabBrewing"],
+        ["tabMaterials", "tabMaterials"],
+        ["tabInventory", "tabInventory"]
+      ]), 'TAB');
+    this.setInputsInline(false)
+    this.setPreviousStatement(true, null);
+    this.setNextStatement(true, null);
+    this.setTooltip('Set the creative tab of the block');
+    this.setHelpUrl('');
+    this.setColour(0);
+  }
+};
+Blockly.common.defineBlocks({ blocks_creativetab: blocks_creativetab });
+javascript.javascriptGenerator.forBlock['blocks_creativetab'] = function() {
+  const dropdown_tab = this.getFieldValue('TAB');
+  const code = `this.$setCreativeTab(ModAPI.reflect.getClassById("net.minecraft.creativetab.CreativeTabs").staticVariables.${dropdown_tab});`;
+  return code;
 }
\ No newline at end of file
diff --git a/blocks/ReturnBlock.js b/blocks/ReturnBlock.js
index b8eefeb..a54b10d 100644
--- a/blocks/ReturnBlock.js
+++ b/blocks/ReturnBlock.js
@@ -1,3 +1,20 @@
+const local_this = {
+    init: function () {
+        this.appendDummyInput('NAME')
+            .appendField('this');
+        this.setInputsInline(false)
+        this.setOutput(true, null);
+        this.setTooltip('The object the handler is running on.');
+        this.setHelpUrl('');
+        this.setColour(330);
+    }
+};
+Blockly.common.defineBlocks({ local_this: local_this });
+javascript.javascriptGenerator.forBlock['local_this'] = function () {
+    return 'this';
+}
+
+
 const proc_return = {
     init: function () {
         this.appendDummyInput('NAME')
diff --git a/index.html b/index.html
index 7798886..3b6f63a 100644
--- a/index.html
+++ b/index.html
@@ -337,6 +337,7 @@
       </category>
       <sep></sep>
       <category name="Return" colour="#008855">
+        <block type="local_this"> </block>
         <block type="proc_return"> </block>
         <block type="proc_returnvalue">
           <value name="VALUE">
@@ -365,19 +366,19 @@
       <category name="Variables" colour="#a55b80" custom="VARIABLE"></category>
       <!-- <category name="Functions" colour="#995ba5" custom="PROCEDURE"></category> -->
       <sep></sep>
-      <category name="Blocks" colour="#ff00ff">
+      <category name="Blocks (H)" colour="#ff00ff">
         <block type="handle_BlockConstructor"> </block>
-        <block type="blocks_blockproperty">
-          <value name="VALUE">
-            <block type="logic_boolean">
-              <field name="BOOL">TRUE</field>
-            </block>
-          </value>
-        </block>
-        <block type="blocks_blockswitch"> </block>
         <block type="handle_BlockBreak"> </block>
         <block type="handle_BlockAdded"> </block>
         <block type="handle_BlockNeighbourChange"> </block>
+        <block type="handle_BlockBrokenByPlayer"> </block>
+        <block type="handle_BlockUpdateTick"> </block>
+      </category>
+      <category name="Blocks (C)" colour="#ff00ff">
+        <block type="blocks_blockproperty"> </block>
+        <block type="blocks_blockswitch"> </block>
+        <block type="blocks_boundingbox"> </block>
+        <block type="blocks_creativetab"> </block>
       </category>
       <category name="World" colour="#22aabb">
         <block type="world_explosion"> </block>
diff --git a/primitives/AdvancedBlock.js b/primitives/AdvancedBlock.js
index 0bc6aba..adfe966 100644
--- a/primitives/AdvancedBlock.js
+++ b/primitives/AdvancedBlock.js
@@ -12,6 +12,9 @@ PRIMITIVES["block_advanced"] = {
         Break: VALUE_ENUMS.ABSTRACT_HANDLER + "BlockBreak",
         Added: VALUE_ENUMS.ABSTRACT_HANDLER + "BlockAdded",
         NeighborChange: VALUE_ENUMS.ABSTRACT_HANDLER + "NeighborChange",
+        Break: VALUE_ENUMS.ABSTRACT_HANDLER + "BlockBreak",
+        BrokenByPlayer: VALUE_ENUMS.ABSTRACT_HANDLER + "BlockBrokenByPlayer",
+        UpdateTick: VALUE_ENUMS.ABSTRACT_HANDLER + "BlockUpdateTick",
     },
     asJavaScript: function () {
         console.log(this);
@@ -19,6 +22,8 @@ PRIMITIVES["block_advanced"] = {
         var breakHandler = getHandlerCode("BlockBreak", this.tags.Break, ["$$world", "$$blockpos", "$$blockstate"]);
         var addedHandler = getHandlerCode("BlockAdded", this.tags.Added, ["$$world", "$$blockpos", "$$blockstate"]);
         var neighborHandler = getHandlerCode("NeighborChange", this.tags.NeighborChange, ["$$world", "$$blockpos", "$$blockstate"]);
+        var brokenByPlayerHandler = getHandlerCode("BrokenByPlayer", this.tags.BrokenByPlayer, ["$$world", "$$blockpos", "$$blockstate"]);
+        var updateTickHandler = getHandlerCode("UpdateTick", this.tags.UpdateTick, ["$$world", "$$blockpos", "$$blockstate", "$$random"]);
         return `(function AdvancedBlockDatablock() {
     const $$blockTexture = "${this.tags.texture}";
 
@@ -32,6 +37,8 @@ PRIMITIVES["block_advanced"] = {
         var $$breakBlockMethod = $$blockClass.methods.breakBlock.method;
         var $$onBlockAddedMethod = $$blockClass.methods.onBlockAdded.method;
         var $$onNeighborBlockChangeMethod = $$blockClass.methods.onNeighborBlockChange.method;
+        var $$onBlockDestroyedByPlayerMethod = $$blockClass.methods.onBlockDestroyedByPlayer.method;
+        var $$updateTickMethod = $$blockClass.methods.updateTick.method;
 
         var $$nmb_AdvancedBlock = function $$nmb_AdvancedBlock() {
             $$blockSuper(this, ModAPI.materials.${this.tags.material}.getRef());
@@ -57,6 +64,14 @@ PRIMITIVES["block_advanced"] = {
             ${neighborHandler.code};
             return $$onNeighborBlockChangeMethod(this, ${neighborHandler.args.join(", ")});
         }
+        $$nmb_AdvancedBlock.prototype.$onBlockDestroyedByPlayer = function (${brokenByPlayerHandler.args.join(", ")}) {
+            ${brokenByPlayerHandler.code};
+            return $$onBlockDestroyedByPlayerMethod(this, ${brokenByPlayerHandler.args.join(", ")});
+        }
+        $$nmb_AdvancedBlock.prototype.$updateTick = function (${updateTickHandler.args.join(", ")}) {
+            ${updateTickHandler.code};
+            return $$updateTickMethod(this, ${updateTickHandler.args.join(", ")});
+        }
 
         function $$internal_reg() {
             var $$cblock = (new $$nmb_AdvancedBlock()).$setUnlocalizedName(
diff --git a/stylesheet.css b/stylesheet.css
index 31aeb62..b106c4e 100644
--- a/stylesheet.css
+++ b/stylesheet.css
@@ -105,7 +105,7 @@ td {
 }
 #propnav {
   width: 100%;
-  min-height: 2rem;
+  min-height: 5rem;
   height: 4rem;
   max-height: 80vh;
   margin-bottom: 1rem;