Inexplicable ApparatusEquipment 18
Source Pathfinder Core Rulebook
Price 19,000 gp
Weight 2 bulk
This strange and intricate harness fits snugly to the torso. Once you invest the apparatus, numerous artificial limbs with various tools, clamps, and lenses whirl into action, following your mental commands effortlessly.
When using this apparatus, you gain a +3 item bonus to Crafting checks to Craft, Earn Income, and Repair, and you reduce the minimum time required to Craft an item to 1 day.
If you succeed at your Crafting check and spend more downtime to continue work on the item after the minimum number of days, each day you spend reduces the remaining raw material cost by an amount based on your level + 1 and your proficiency rank in Crafting; on a critical success, each day reduces the remaining raw material cost by an amount based on your level + 2 and your proficiency rank. If you are 20th level, on a critical success your progress is 50 gp, 100 gp, 200 gp, or 350 gp for trained, expert, master, or legendary proficiency, respectively.
Activate 
command, Interact
Frequency once per day
Effect You command the apparatus to magically jury-rig an item you hold or that's within 5 feet of you. The item is repaired, as a 3rd-level Mending spell. This lasts for 10 minutes, after which the item returns to its previous state of disrepair unless you've Repaired it before then.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
InvestedA character can wear only 10 magical items that have the invested trait. None of the magical effects of the item apply if the character hasn't invested it, nor can it be activated, though the character still gains any normal benefits from wearing the physical item (like a hat keeping rain off their head).
MagicalSomething with the magical trait is imbued with magical energies not tied to a specific tradition of magic. A magical item radiates a magic aura infused with its dominant school of magic. Some items or effects are closely tied to a particular tradition of magic. In these cases, the item has the arcane, divine, occult, or primal trait instead of the magical trait. Any of these traits indicate that the item is magical.
TransmutationEffects and magic items with this trait are associated with the transmutation school of magic, typically changing something's form.