Before anything you've built or placed can be edited, you must craft a wooden mallet. This takes 3 wood to craft and very simple to do!

First, you will need to equip your mallet in your hotbar. Once equipped, aim your cursor at the object you wish to demolish. Simply hold RIGHT CLICK on the object you with the destroy then hover over the bomb symbol while still holding right click and left click to demolish.

First, you will need to equip your mallet in your hotbar. Once equipped, aim your cursor at the object you wish to demolish. Simply hold RIGHT CLICK on the object you with the destroy then hover over the tool symbol while still holding right click and left click to upgrade. Some upgrades require only stone while some may require a combination of stone and wood or stone and wooden planks. Wooden planks can always be crafted from wood at the crafting table.