Blingtron's Circuit Design Tutorial is a coming consumable item in Legion created by Engineers. It will be available to learn via Legion Engineering, but can be crafted at Engineering skill level of 1+. Blingtron's Circuit Design Tutorial can be used by anyone (not just Engineers) and can be auctioned or traded.
Using Blingtron's Circuit Design Tutorial will start a minigame. There is an associated achievement - The Shortest Distance.
Blingtron's Circuit Design Tutorial will also act as one of the reagents for Reaves Module: Bling Mode, one of the modules that can upgrade Reaves Battery.
Jewelcrafting has a similar item - JewelCraft. JewelCraft is also consumable and starts a Bejeweled-like minigame. It has an associated achievement: Hot Swapper.
Given the consumable nature of each of these items, they will be a source of revenue for these professions.
Kindly Reminder:Possible account termination when using illegal leveling or illegally obtained gold.