Unlimited Sand, Gravel & Concrete Powder Farm Minecraft | 1.21

Chapman Shows how to build this Minecraft Concrete Farm, Sand Farm, Gravel Farm, is a Gravity Block Duper and is everything you need to build a large-scale Concrete Farm to get unlimited Sand, Gravel, and Concrete Powder in your Minecraft worlds.

It's an expandable design that produces 100,000 items per hour by utilizing the End Portal.

This is the best way to get infinite building materials for any massive Minecraft project! You must remove the End Portal Frame (aka break Bedrock) to do this.