Creative Hourglass Set 3/5/10/15/30 minutes Ze Description The hourglass was first used as an ancient time do tool. Now it is not only a decoration of fashion families, ale can also act as toys for children in their free time or study, you can use it do exercise the patience and perseverance of the child. You can use this hourglass as a prezent for a friend, prezent for the New Year, prezent for holidays, etc. Microphone frequency band: 100 Hz - 10 kHz -Kolor: as shown Material: Plastic and glass -Size:9*4 cm - The hourglass clock is made of high quality plastic and glass material, it is definitely the most optimal and reasonable choice! -3/5/10/15/30 minutes hourglass, a nice tool to encourage children do brush their teeth for a reasonable time. -Small size, easy do carry, beautiful and safe, can be used do children's toys, interior decoration, etc. -Using these sand clocks can be much more enjoyable and less distracting than looking at your phone, helping you stay focused and productive longer. -This sand timer can be the perfect and meaningful gift for your loved one for any occasion. hourglass set, sand clock decoration, hourglass clock, hourglass, plastic hourglass