HOURGLASS CREATIVE SET 1 or 3 or 5 or 10 or 15 or 30 minutes Perfect do games, sports, rest, exercise, children's learning and self-control, very dobry idea to help children establish a visual concept of time. It can also be a great addition do home and office High quality, shockproof hourglass case makes the hourglass clock durable and unbreakable. 6 different timers count down the remaining time The set includes 6 hourglasses: 1 minute - sand of white color 3 minute- sand color green 5 minutes - sand of blue color 10 minutes - sand of violet color 15 minutes - sand color orange 30 minutes - sand of red color Durable and safe material Made of high quality borosilicate glass, non-toxic sand and durable acrylic and ABS plastic cover, which does not break even after falling to the floor. Aesthetic design The hourglass ma an elegant and decorative appearance, which makes it an attractive element of interior decoration. It can be both a practical tool do measuring time and a decoration. Interesting way to measure time The hourglass offers an unusual way of measuring time, which may be of interest to those looking for unique solutions. It is also an interesting starter conversation or educational element for children, allowing them to understand the concept of time. Learn how to manage time: The sand hourglass gives visual support in determining the remaining time, and children can orient themselves in time, how much more they still have do reading, playing, watching, etc. It’s a dobry way to overcome procrastination. The sand will quietly fall off, allowing you to forget about time and enjoy it. Wide Application Ideal do use: in class, during games, brushing children's teeth, science psychological training cooking. There may be a slight time deviation.