![Redstone Components: Episode 29 - 1.21.9 The Copper Age Update [Java Edition 1.21.10] @RKFWalter](https://i.ytimg.com/vi/XxnGSvJBQbU/maxresdefault.jpg)
Uploaded November 2025 | Updated September 2026, 2 weeks ago
This is the 29th Episode of my Redstone Components Series. In it I explain the redstone relevant additions and changes of Minecraft 1.21.9 (& 1.21.7) Java Edition.
Intro: 0:00
1.21.7 - New Music Disc & Painting: 0:19
New Copper Blocks: 0:52
Copper Chest, Golem & Statue: 2:55
Shelf: 8:07
Mannequin: 10:49
Commands: 12:30
JSON Text: 13:13
F3 Screen: 13:26
Outro: 14:26
World Download:
mediafire.com/file/o9xzfludy96sdxj
Wiki:
https://minecraft.wiki/w/Java_Edition_1.21.7
https://minecraft.wiki/w/Java_Edition_1.21.9
https://minecraft.wiki/w/Copper_Golem
https://minecraft.wiki/w/Shelf
https://minecraft.wiki/w/Debug_screen
"Copper Golems are broken" by Mumbo Jumbo:
youtube.com/watch?v=vkuMDLOhCv8
"Item Sorting just changed" by Mumbo Jumbo
youtube.com/watch?v=cn4cCdQMn0c
"Imprisoning copper golems to sort my items " by Mumbo Jumbo:
youtube.com/watch?v=HTXV8Yt7BfA
"Copper Golem sorters got faster" by Mumbo Jumbo:
youtube.com/watch?v=fe--n9OBX0U
Please like if you enjoyed the video.
And if you really liked it please subscribe, if you haven't yet :)
This is the 29th Episode of my Redstone Components Series. In it I explain the redstone relevant additions and changes of Minecraft 1.21.9 (& 1.21.7) Java Edition.
Intro: 0:00
1.21.7 - New Music Disc & Painting: 0:19
New Copper Blocks: 0:52
Copper Chest, Golem & Statue: 2:55
Shelf: 8:07
Mannequin: 10:49
Commands: 12:30
JSON Text: 13:13
F3 Screen: 13:26
Outro: 14:26
World Download:
mediafire.com/file/o9xzfludy96sdxj
Wiki:
https://minecraft.wiki/w/Java_Edition_1.21.7
https://minecraft.wiki/w/Java_Edition_1.21.9
https://minecraft.wiki/w/Copper_Golem
https://minecraft.wiki/w/Shelf
https://minecraft.wiki/w/Debug_screen
"Copper Golems are broken" by Mumbo Jumbo:
youtube.com/watch?v=vkuMDLOhCv8
"Item Sorting just changed" by Mumbo Jumbo
youtube.com/watch?v=cn4cCdQMn0c
"Imprisoning copper golems to sort my items " by Mumbo Jumbo:
youtube.com/watch?v=HTXV8Yt7BfA
"Copper Golem sorters got faster" by Mumbo Jumbo:
youtube.com/watch?v=fe--n9OBX0U
Please like if you enjoyed the video.
And if you really liked it please subscribe, if you haven't yet :)
![Redstone Components: Episode 29 - 1.21.9 The Copper Age Update [Java Edition 1.21.10]](https://i.ytimg.com/vi/XxnGSvJBQbU/mqdefault.jpg "Redstone Components: Episode 29 - 1.21.9 The Copper Age Update [Java Edition 1.21.10]
This is the 29th Episode of my Redstone Components Series. In it I explain the redstone relevant additions and changes of Minecraft 1.21.9 (& 1.21.7) Java Edition.
Intro: 0:00
1.21.7 - New Music Disc & Painting: 0:19
New Copper Blocks: 0:52
Copper Chest, Golem & Statue: 2:55
Shelf: 8:07
Mannequin: 10:49
Commands: 12:30
JSON Text: 13:13
F3 Screen: 13:26
Outro: 14:26
World Download:
https://www.mediafire.com/file/o9xzfludy96sdxj
Wiki:
https://minecraft.wiki/w/Java_Edition_1.21.7
https://minecraft.wiki/w/Java_Edition_1.21.9
https://minecraft.wiki/w/Copper_Golem
https://minecraft.wiki/w/Shelf
https://minecraft.wiki/w/Debug_screen
Copper Golems are broken by Mumbo Jumbo:
https://www.youtube.com/watch?v=vkuMDLOhCv8
Item Sorting just changed by Mumbo Jumbo
https://www.youtube.com/watch?v=cn4cCdQMn0c
Imprisoning copper golems to sort my items by Mumbo Jumbo:
https://www.youtube.com/watch?v=HTXV8Yt7BfA
Copper Golem sorters got faster by Mumbo Jumbo:
https://www.youtube.com/watch?v=fe n9OBX0U
Please like if you enjoyed the video.
And if you really liked it please subscribe, if you havent yet :)")
![Tutorial: Simple, Bedrock 5x5 Double Cave Door [Bedrock 1.11+]](https://i.ytimg.com/vi/YRFPSwGfT6w/mqdefault.jpg "Tutorial: Simple, Bedrock 5x5 Double Cave Door [Bedrock 1.11+]
In this tutorial I show you how to build my 5x5 Double Cave Door for Minecraft Bedrock Edition.
Intro: 0:00
Building Tutorial: 1:01
Showcase:
https://youtube.com/shorts/tbyjqjbdMAc
Tutorial-World Download:
https://www.mediafire.com/file/eots76jxgbsombq
Please like if you enjoyed the video.
And if you really liked it please subscribe, if you havent yet :)
#Minecraft #Tutorial #mcbe")
![Redstone Commands: Episode 78 - Dynamic Volume Definition [Java Edition 1.21.8]](https://i.ytimg.com/vi/Z7ia-dTLDo0/mqdefault.jpg "Redstone Commands: Episode 78 - Dynamic Volume Definition [Java Edition 1.21.8]
This is Episode 78 of my Redstone Commands Series. In it I go through an example combining multiple of the commands and concepts from the previous episodes. It allows you to define a volume by marking two opposing corners and then filling it with a cycling list of blocks, while playing the game, without manually typing in the commands.
Intro: 0:00
Showcase: 0:49
Code: 2:47
Outro: 9:16
World Download:
https://www.mediafire.com/file/o9xzfludy96sdxj
Helpful Online-Tools:
https://minecraft.tools
Please like if you enjoyed the video.
And if you really liked it please subscribe, if you havent yet :)
#Minecraft #Tutorial #Redstone")
![Tutorial: Expandable, 12-high Wall Block Swapper & Shifter [Java 1.21+]](https://i.ytimg.com/vi/ZGZUuWB8-JQ/mqdefault.jpg "Tutorial: Expandable, 12-high Wall Block Swapper & Shifter [Java 1.21+]
In this tutorial I show how to build my 12-high, infinitely expandable Wall Block Swapper/Shifter for Minecraft Java Edition. The Shifter shifts the wall by one block per activation, while the swappper switches out the entire wall in one go.
Intro: 0:00
Shifter: 2:00
Conversion to Swapper: 10:14
Outro: 13:43
Showcase:
https://youtube.com/shorts/jDvVpr2GAY8
Tutorial-World Download:
http://www.mediafire.com/file/tup2rswbrywg81m
Please like if you enjoyed the video.
And if you really liked it please subscribe, if you havent yet :)
#minecraft #tutorial #redstone")
![Tutorial: Expandable, 11-wide Ceiling Block Swapper & Shifter [Java 1.16+]](https://i.ytimg.com/vi/_ZgFkMQ5NN4/mqdefault.jpg "Tutorial: Expandable, 11-wide Ceiling Block Swapper & Shifter [Java 1.16+]
In this tutorial I show how to build my 11-wide, infinitely expandable Ceiling Block Swapper/Shifter for Minecraft Java Edition. The Shifter shifts the ceiling by one block per activation, while the swappper switches out the entire ceiling in one go.
Intro: 0:00
Modules: 2:26
Shifter: 7:57
Conversion to Swapper: 12:23
Outro: 15:40
Showcase:
https://youtube.com/shorts/Ml7fMqz2Rzk
Tutorial-World Download:
http://www.mediafire.com/file/tup2rswbrywg81m
Please like if you enjoyed the video.
And if you really liked it please subscribe, if you havent yet :)
#minecraft #tutorial #redstone")
![Redstone Commands: Episode 79 - Addendum [Java Edition 1.21.8]](https://i.ytimg.com/vi/_turM-keLIc/mqdefault.jpg "Redstone Commands: Episode 79 - Addendum [Java Edition 1.21.8]
This is an Addendum for Episode 79 of my Redstone Commands Series. In it I go through the basic principles for counting Blocks, Entities and Items within Inventories (of Blocks or Entities) within a Volume using Minecraft Commands.
Intro: 0:00
General Principle: 0:33
Counting Blocks: 1:38
Counting Entities: 3:04
Counting Inventory Items (Blocks): 4:38
Counting Inventory Items (Entities): 8:46
Outro: 11:17
Download of Counting Summary (.txt):
https://www.mediafire.com/file/6jzsmeqz8q7lsem
World Download:
https://www.mediafire.com/file/o9xzfludy96sdxj
Helpful Online-Tools:
https://minecraft.tools
Please like if you enjoyed the video.
And if you really liked it please subscribe, if you havent yet :)
#Minecraft #Tutorial #Redstone")
![Simple 4x4 Double Vault Trap Door [Bedrock] #minecraft #tutorial #gaming](https://i.ytimg.com/vi/aOzrwyN84wo/mqdefault.jpg "Simple 4x4 Double Vault Trap Door [Bedrock] #minecraft #tutorial #gaming
In this showcase I present you my 4x4 Double-sided Vault Trap Door for Minecraft Bedrock Edition.
Block-by-Block Tutorial:
https://youtu.be/1QGJonHYt3E
Tutorial-World Download:
https://www.mediafire.com/file/eots76jxgbsombq
Please like if you enjoyed the video.
And if you really liked it please subscribe, if you havent yet :)
#minecraft #showcase #redstone")
![Redstone Commands: Episode 56 - Datapack [Java Edition 1.21]](https://i.ytimg.com/vi/bS6a6oiLiQA/mqdefault.jpg "Redstone Commands: Episode 56 - Datapack [Java Edition 1.21]
Redstone Commands: Episode 56 - Datapack [Java Edition 1.21]")
