Timers & Programmers -3/5/7 Minute Hourglass Sand Clock Kitchen Timer for Cooking Baking Sports Highlights Generic Brand 3/5/7 Minute Hourglass Sand Clock Kitchen Timer 7 Minutes for Cooking Sports Cooking Description: 3Pcs/Set hourglass timers - 3 minutes, 5 minutes and 7 minutes, each with different sand light color, easy to distinguish which timer to use. Shock Resistant Hourly Sand Timer - Made of durable and high quality borosilicate glass and non-toxic sand, not easy to break. Using these sandbox timers is more enjoyable and less distracting than looking at your cell phone often, and helps you stay focused and efficient for a long time. Good Time Management Tool - Help your child do things more efficiently and develop a strong sense of time. Perfect for cooking, classroom use, play time, exercise timer (yoga or psychological training). Also used as home office decoration. Good gifts for children and friends. specification: Material: Glass and wood Size: about 9x3x9cm/3.54x1.18x3.54inch Package includes: 1 set of hourglass timer Note: Due to manual measurement, please allow 1-2mm differences in size . Due to the light and screen difference, the item's color may be slightly different from the pictures. Try to understand.