Specifications: The large safe can be stored and organized into a suitcase, the pull rod is retractable, and the bottom wheels can be rolled for easy carrying. It simulates the digital lock of the safe, bringing you the joy of operation. With large-capacity design, this storage box can store other small toys. How to use: To activate the piggy bank, you need to pass in a coin, and then wait for the prompt sound to finish, press "0000", turn the button, and open the safe If you need to modify the password, just correctly input the original password "0000" to open the door of the piggy bank, then press and hold the "*" key until the password is reset, the double lights will flash and enter the 4-digit password to be changed, then press "#" Key to end the modification setting Item Name: Trolley Case Material: Plastic Battery: 3 x AA Batteries (Not Included) Features: Simulation Safe, Dynamic Music, Colorful Lights,with Plastic Microphone, Piggy Bank Size of Suitcase: 16cm x 10.5cm x 32.5cm/6.3" x 4.1" x 12.8" (Approx.), Extended Size of the Rod: 35cm/13.78" (Approx.), Size of Microphone: 19.5cm/7.7" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Trolley Case 1 x Microphone