diff --git a/docs/tutorials/BLOCK.md b/docs/tutorials/BLOCK.md
index 9d9f673..a404ac1 100644
--- a/docs/tutorials/BLOCK.md
+++ b/docs/tutorials/BLOCK.md
@@ -3,11 +3,13 @@
 ## Create Your Block Class
 JavaScript:
 ```javascript
-import { Identifier, BlockState, BlockSettings, ActionResult, CustomBlock } from 'minecraft';
+import { Identifier, BlockState, BlockSettings, ActionResult, CustomBlock, BuiltinRegistry } from 'minecraft';
+
+const ironBlock = BuiltinRegistry.BLOCK.get(new Identifier('minecraft:iron_block'));
 
 class MyBlock extends CustomBlock {
     constructor() {
-        super(new BlockSettings('STONE', 'IRON'));
+        super(new BlockSettings(ironBlock.getMaterial(), ironBlock.getMaterialColor()));
     }
 
     onUse(world, blockState, blockPos, side, player, hand) {
@@ -19,11 +21,13 @@ class MyBlock extends CustomBlock {
 
 TypeScript:
 ```typescript
-import { Identifier, BlockState, BlockSettings, ActionResult, World, Pos, Hand, PlayerEntity, Direction, CustomBlock } from 'minecraft';
+import { Identifier, BlockState, BlockSettings, ActionResult, World, Pos, Hand, PlayerEntity, Direction, CustomBlock, BuiltinRegistry } from 'minecraft';
+
+const ironBlock = BuiltinRegistry.BLOCK.get(new Identifier('minecraft:iron_block'));
 
 class MyBlock extends CustomBlock {
     constructor() {
-        super(new BlockSettings('STONE', 'IRON'));
+        super(new BlockSettings(ironBlock.getMaterial(), ironBlock.getMaterialColor()));
     }
 
     onUse(world: World, blockState: BlockState, blockPos: Pos, side: Direction, player: PlayerEntity, hand: Hand): ActionResult {
@@ -45,4 +49,4 @@ Registry.register(Registry.BLOCK, new Identifier('modid', 'my_block'), new MyBlo
 import { Registry, Identifier, BlockItem, ItemSettings } from 'minecraft';
 
 Registry.register(Registry.ITEM, new Identifier('modid', 'my_block'), new BlockItem(new Identifier('modid', 'my_block'), new ItemSettings().setItemGroup('building_blocks')));
-```
\ No newline at end of file
+```
diff --git a/docs/tutorials/BLOCK_ENTITY.md b/docs/tutorials/BLOCK_ENTITY.md
index 2641fda..4d27797 100644
--- a/docs/tutorials/BLOCK_ENTITY.md
+++ b/docs/tutorials/BLOCK_ENTITY.md
@@ -63,11 +63,13 @@ class MyBlockEntity extends CustomBlockEntity {
 ## Create Your Block Class
 JavaScript:
 ```javascript
-import { Identifier, BlockState, BlockSettings, ActionResult, CustomBlockWithEntity } from 'minecraft';
+import { Identifier, BlockState, BlockSettings, ActionResult, CustomBlockWithEntity, BuiltinRegistry } from 'minecraft';
+
+const ironBlock = BuiltinRegistry.BLOCK.get(new Identifier('minecraft:iron_block'));
 
 class MyBlock extends CustomBlockWithEntity {
     constructor() {
-        super(new BlockSettings('STONE', 'IRON'));
+        super(new BlockSettings(ironBlock.getMaterial(), ironBlock.getMaterialColor()));
     }
 
     onUse(world, blockState, blockPos, side, player, hand) {
@@ -83,11 +85,13 @@ class MyBlock extends CustomBlockWithEntity {
 
 TypeScript:
 ```typescript
-import { Identifier, BlockState, BlockSettings, ActionResult, World, Pos, Hand, PlayerEntity, Direction, CustomBlock } from 'minecraft';
+import { Identifier, BlockState, BlockSettings, ActionResult, World, Pos, Hand, PlayerEntity, Direction, CustomBlock, BuiltinRegistry } from 'minecraft';
 
-class MyBlock extends CustomBlock {
+const ironBlock = BuiltinRegistry.BLOCK.get(new Identifier('minecraft:iron_block'));
+
+class MyBlock extends CustomBlockWithEntity {
     constructor() {
-        super(new BlockSettings('STONE', 'IRON'));
+        super(new BlockSettings(ironBlock.getMaterial(), ironBlock.getMaterialColor()));
     }
 
     onUse(world: World, blockState: BlockState, blockPos: Pos, side: Direction, player: PlayerEntity, hand: Hand): ActionResult {
@@ -109,4 +113,4 @@ Registry.register(Registry.BLOCK, new Identifier('modid', 'my_block'), new MyBlo
 import { Registry, Identifier, BlockItem, ItemSettings } from 'minecraft';
 
 Registry.register(Registry.ITEM, new Identifier('modid', 'my_block'), new BlockItem(new Identifier('modid', 'my_block'), new ItemSettings().setItemGroup('building_blocks')));
-```
\ No newline at end of file
+```
diff --git a/examples/javascript/gradle.properties b/examples/javascript/gradle.properties
index 32b51b5..d556e31 100644
--- a/examples/javascript/gradle.properties
+++ b/examples/javascript/gradle.properties
@@ -3,9 +3,9 @@ org.gradle.jvmargs = -Xmx1G
 
 # Fabric Properties
 	# check these on https://fabricmc.net/use
-	minecraft_version = 1.16-pre3
-	yarn_build = 1
-	fabric_loader_version = 0.8.7+build.201
+	minecraft_version = 1.16.2
+	yarn_build = 21
+	fabric_loader_version = 0.9.2+build.206
 
 # Mod Properties
 	mod_version = 1.0.0
diff --git a/examples/javascript/src/main/resources/scriptcraft/modid/index.js b/examples/javascript/src/main/resources/scriptcraft/modid/index.js
index 46751a7..00f64f4 100644
--- a/examples/javascript/src/main/resources/scriptcraft/modid/index.js
+++ b/examples/javascript/src/main/resources/scriptcraft/modid/index.js
@@ -1,36 +1,12 @@
-import { BlockSettings, Identifier, Registry, BlockState, ActionResult, BlockItem, ItemSettings, CustomItem, CustomBlockWithEntity, CustomBlockEntity, CompoundTag, NumberType } from 'minecraft';
+import { BlockSettings, Identifier, Registry, BlockState, ActionResult, BlockItem, ItemSettings, BuiltinRegistry } from 'minecraft';
 
 console.log('hello');
 
-class MyBlockEntity extends CustomBlockEntity {
-    constructor() {
-        super();
-        this.ticks = 0;
-    }
-
-    toTag(tag) {
-        tag.set('MyTicks', this.ticks, NumberType.INT);
-        return tag;
-    }
-
-    fromTag(tag) {
-        const obj = tag.get('MyTicks');
-        if (typeof obj === 'number') {
-            this.ticks = obj;
-        } else {
-            this.ticks = 0;
-        }
-    }
-
-    tick() {
-        this.ticks++;
-        this.markDirty();
-    }
-}
+const ironBlock = BuiltinRegistry.BLOCK.get(new Identifier('minecraft:iron_block'));
 
 class MyBlock extends CustomBlockWithEntity {
     constructor() {
-        super(new BlockSettings('STONE', 'IRON'));
+        super(new BlockSettings(ironBlock.getMaterial(), ironBlock.getMaterialColor()));
     }
 
     onUse(world, blockState, blockPos, side, player, hand) {
@@ -49,28 +25,3 @@ class MyBlock extends CustomBlockWithEntity {
 
 Registry.register(Registry.BLOCK, new Identifier('modid', 'my_block'), new MyBlock());
 Registry.register(Registry.ITEM, new Identifier('modid', 'my_block'), new BlockItem(new Identifier('modid', 'my_block'), new ItemSettings()));
-
-class MyItem extends CustomItem {
-    constructor() {
-        super(new ItemSettings().setItemGroup('building_blocks').setMaxCount(128));
-    }
-
-    onUse(world, player, hand) {
-        console.log('Item Use: Normal');
-        return ActionResult.SUCCESS;
-    }
-
-    onUseOnBlock(world, blockPos, side, player, hand) {
-        console.log('Item Use: Block ' + blockPos.toString());
-        world.spawnEntity(new Identifier('minecraft:cow'), blockPos.offset(side).add(new Pos(0.5, 0, 0.5))).toString();
-        return ActionResult.SUCCESS;
-    }
-
-    onUseOnEntity(player, target, hand) {
-        console.log('Item Use: Entity ' + target.toTag().toString());
-        console.log('Health: ' + target.toTag().get('Health').toString());
-        return ActionResult.SUCCESS;
-    }
-}
-
-Registry.register(Registry.ITEM, new Identifier('modid', 'my_item'), new MyItem());