This Hourglass Set Contains 6 Pieces Of Hourglasses In Different Colors, Including A 1-Minute Hourglass, 3-Minute Hourglass, 5-Minute Hourglass, 10-Minute Hourglass, 15-Minute Hourglass And 30-Minute Hourglass. ItS Great For Reading, Cooking And Baking, Brushing Teeth, Playing Games, And Training Timing. Shock Resistant Hourglasses: Our Timer Is Made Of Abs And Glass. The Hourglass Is A Very Effective Visual Cue That Improves Alertness And Time Management. Best Tool For Time Management: It Will Help Your Kids Make Things More Efficient And Develop A Strong Sense Of Time. The Timepiece Can Be Used For Cooking, Playing, Classroom, Parenting And Exercising. Can Also Be Used As A Home Or Office Decoration And Timing Tool. Great Gift For Kids And Friends. Hourglass Has Matching Black Molded End Caps And Clear Thick Wall. Each Timer Has Colored Sand And A Clear Digital Display For Easy Identification.