Hourglass Floating Volcano Effect Egg Hourglass Creative Birthday Gift Material: plastic and sand glass, lead-free glass and chrome, the inner bulb with sand is made of glass. The acrylic shell is not easy to break. Visual timer: hourglasses have been used for centuries to visualize the passage of time. Now the hourglass makes it easier for children to develop their sense of time. The sand goes up and down and flows slowly. Suitable for regular cooking, playing, exercising, etc. Improve your personal aesthetics: it can trigger decent, elegant, relaxed and happy feelings for you and your desks, coffee tables, shelves, antique cabinets, etc. A unique and creative appearance that brings you unwavering joy while the floating sand guides your mind and calms. [Wide application] - Our hourglass can be used as an egg timer for boiled eggs or as a kitchen timer. It can also be used as a timer for brushing teeth. Kids can use these timers as play and kitchen cooking timers. It is also perfect if your child wants to stay away from electronic devices (tablets, mobile phones) or when they want to see how long they are being used. The best choice for gifts: The perfect gift for birthdays, weddings, Mother's Day, Father's Day, Thanksgiving, Teachers' Day, Children's Day, Valentine's Day, Christmas and any other festivals. Home Decor (Red)