Very practical: The hourglass is ideal for games, classroom teaching, cooking, practice (yoga), brushing time and learning about children's time. It helps kids do things more efficiently and is the perfect gift to teach kids about time management. Kid Safety: The hourglass timer has a double protection design. The outer tube is made of high strength acrylic material. Two ABS plastic covers are embedded in shock absorbing foam to protect the inner glass tube. It can avoid personal injury from broken glass caused by accidental falling from high altitude. The meaning of the hourglass: The hourglass symbolizes love, friendship and happiness. Different colors have different meanings and are perfect gifts for relatives, friends and lovers, such as birthdays, Thanksgiving, Children's Day, Valentine's Day, Christmas, etc. Style simple: it can be used for the decoration of various scenes such as study, dining room, window, dressing table and collection cabinet.