Features: -The for time is written on top of each timer, very easy for elder kids to use on their own in so many different ways. -Giving toddlers a visual sense of time: kids don't have a big concept of time. Being able to see the sand falling allows them to see how much time has passed and how much remains in a concrete way. -for timing cooking, exercising and "beat the time" game such as picking up toys, getting dressed, brushing teeth, playing puzzle games. -This sand timer set is a perfect for kids to have fun, or for high school students who have special needs. Also, put them on your desk, they are wonderful decorations novelty. Material: PVC, ABS, glass tube and sand. Used widely: for Kitchen, Classroom, Game, Exercising Timer. Great for Your Children. Notice: This is a sand timer made for games. It is not a for precision timing device, so there is time deviation. Details： Material: PVC, ABS, glass tube and sand. Size: about for 2.5cm (L) x for 2.5cm (W) x 8.5cm (H). Color: for pink, red, black, yellow, blue, for pink,green Counting Time: minute Notice: this sandglass timer set is not a for precision timing device, so there is for time deviation. Package Contents: 1pc ×timer Note: . The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.