Sand Timer Colorful Hourglass Sandglass Timer Pack of 6

Sand Timer Set: Package includes 6 pieces sand timers. 1 minute, 3 minutes, 5 minutes, 10 minutes, 15 minutes, 30 minutes timer in one set. These different time length hourglasses can meet various uses in daily life.
Sturdy and Safety: Sand timers are composed of ABS, high borosilicate glass and protective cover. These sand timers are sturdy and safety for kids.
Multipurpose: The hourglass makes the passing of time visible. These are great for timing kids tooth brushing, studying, cooking, exercising, games and so on. Also ideal for using at home, classroom, office and more.
Multi-color: Each hourglass has clear number on both sides, and each amount of time has its own color. You can tell apart them easily.
Notice: This sand timer is not a precision timing device, so there is time deviation. It is normal that sand sometimes sticks to the glass. You can flick the glass with finger or put them in the sun for a while to solve this situation.