Product parameters: Colorwhitebluegreenpurpleorangered MaterialGlass Dimensions: 44 x 98 millimeters Package Contents: 1-Min Hourglass (White) 3-Min Hourglass (Blue) 5-Min Hourglass (Green) 10-Min Hourglass (Purple) 15-Min Hourglass (Orange) 30-Min Hourglass (Red) : 6-Pack Hourglass Scythe: This hourglass set contains 6 pieces of hourglasses in different colors, including 1-minute hourglass, 3- Min Hourglass, 5 Min Hourglass, 10 Min Hourglass, 15 Min Hourglass, and 30 Min Hourglass. It is ideal for reading, cooking and baking, brushing your teeth, gaming and training timing. SHOCK RESISTANT HOURGLASS: Our timer is made of durable PVC, borosilicate glass, sea sand and protective cover, which makes the timer not easy to be broken and makes the service life longer. The hourglass is a very effective visual cue that improves attention and time management. BEST TOOL FOR TIME MANAGEMENT: It will help your kids to do things more efficiently and develop a strong sense of time. The timer can be used for cooking, games, classroom, child education and training. Also can be used as home or office decoration and timing tool. Great gift for kids and friends. ADVANCED TECHNOLOGY: This hourglass features matching black molded end caps and clear thick wall. Each timer is colored sand and has a clear digital display for easy identification. Note: 1.Due to the difference between different monitors, the picture may not reflect the actual color of the item more widely. 2.Due to manual measurement, there may be an error of 1-2mm. Note: Please allow 1-3 mm error/1-3g weight error and actual product color may vary due to lighting conditions.