As soon as GPS and other micro-location devices hit it big, a lot of ideas were generated around the notion of tagging lost items that frequently need to be re-found – keys, wallets and the like.

Few devices propose such a simple and user-friendly solution as this one, though, by┬áChu Wang, Qiujin Kou, Qian Yin & Yonghua Zhang – the RFID tracking sticker is nothing special, but the gadget that goes with it is just great.

The main terminal helps direct you in three-dimensional space tower the missing object, guiding with arrows then highlighting with circles while showing the distance to your destination, all in the compact shape of a smartphone (perhaps some day it will become one with your cellular device, too!).