Abstract: A locking module includes: a storage unit in which a password is saved; an input unit which receives a number as an input; a locking unit which restrains a zipper and thereby restricts the sliding of the zipper in a state in which two housings are coupled through the zipper; and a control unit which, when the saved password matches the input number, transmits a lock release signal to the locking unit and controls to release the zipper restrained by the locking unit.

Abstract: The present invention relates to a pencil case including a receiving box for receiving stationery. The pencil case includes: a micro controller (10) disposed in the pencil case; a plurality of touch buttons (20) connected to the micro controller (10) and used as an input unit, the plurality of touch buttons (20) detecting a user's touch signal; a plurality of LEDs (30) connected to the micro controller (10) to respond to the touch signals of the touch buttons (20), thereby outputting light signals; and a power source device (40) for supplying a power to the micro controller (10).