SAND TIMERS SET FOR KIDS: Pack of 2 sand timers, Perfect to help manage work and break times easily, making goalsetting pleasant and calming. Size: 6.3''X 3.2'', Weight: 6.4 ounces. Easy to carry anywhere. GREAT TIME MANAGEMENT TOOL: Help your kids do things more efficiently and develop a strong sense of time. Ideal for Cooking, Tooth Brushing, Classroom Use, Game Time, Exercising Timer(yoga or psychological training). Also can be used as home office decoration, practical timing tool in daily life . Great Gift for children and friends. STURDY SAND HOURGLASS TIMERS: Made of transparent Acrylic + Plastic + Glass Tube + Sand, Uneasy to break. Using these sand timers can be much more pleasant and less distracting than looking at your phone to time, help you stay focused and productive for longer. WARM TIP: These Kids sand timers are not a precision timing device, may be +10% time deviation, Pls under adult supervision when little child under 3 years old use the timers.