This was a gift. I don't know if it works. I don't know how to use it. It will be sent by simple packaging and will be delivered to your mailbox. Please don't worry about it. Electric experiment toy with character stickers, equipped with an LCD screen. - Product Name: Electric Experiment Magical Changer - Accessories: Guidebook, cards, pen-shaped device - Display: LCD screen - Design: With character stickers - Color: Light Blue Thank you for looking.