Lego Fortnite has no way to repair your tools (such as axes, picks, and shovels) or weapons (such as short swords, crossbows, and shields). So if they deteriorate enough, they break and you have to spend the resources to make a new one.
Only, at least for now, there is a problem that allows you to fix (well, 'fix') everything for free.
Us Lego Fortnite The village guide explains how to use this bug to repair your tools and weapons.
How to officially repair items in Lego Fortnite
You cannot repair your tools and weapons Lego Fortnite. There is no workbench or way to repair the items you use if they deteriorate. However…
How to fix items in Lego Fortnite with a problem
You can repair tools and weapons Lego Fortnite. For now. It's dependent on a glitch, so it's only a matter of time before it's fixed.
Image: Epic Games via Polygon
First you need one small chest (6 planks) – meaning you have a sawmill set up. Build your small chest and place all your damaged tools and weapons inside.
Image: Epic Games via Polygon
Then exit the chest menu and crush the chest with your hands. It only takes three punches to destroy. And that's it!
Destroying the chest will drop the materials you used to create it and all its contents. When you pick them up, all items are fully perishable again. This works on your own items as well as on tools and weapons you pick up from skeletons or enemies.
Looking for more about Lego Fortnite? We have guides on how to play multiplayer with your friends, where to find planks and how to build a successful village.