6 pieces in one set and each set of timer have 6 colours
Counting time: 30 seconds, 1 minute, 2minutes, 3 minutes, 5 minutes, 10 minutes, each one with 10% time deviation.
Made of durable PVC, ABS, glass tube and sand materials
Perfect for games, exercising and so on, and also a wonderful decoration for your home and office
Please allow time deviation of this sand timer. NOT 100% accurate