A complete set of training hourglass timers designed for effective time management, helping trainers and educators organize activities, exercises, and competitions in a visual, interactive, and engaging way. The set includes 6 hourglass timers with different durations: 1, 3, 5, 10, 15, and 30 minutes, making it ideal for group activities, competitions, and practical exercises during training sessions or in the classroom. Perfect for training activities, classroom activities, educational games, competitions, group exercises, and task management.