- Durable Construction: Our hourglass set features a sturdy plastic housing, sea sand, borosilicate glass, and a protective cover, resulting in a break-resistant and shockproof design, ideal for children's use. - Comprehensive 12-Piece Set: This set includes 12 hourglasses with time intervals of 30 seconds, 1 minute, 2 minutes, 3 minutes, 5 minutes, and 10 minutes. Each interval is represented in six vibrant colors, with two hourglasses per color, enhancing visual appeal and functionality. - Easy Identification: Each hourglass is designed in a distinct color—red, green, yellow, pink, blue, and black—featuring clearly marked numbers on the tops for quick and easy identification. - Effective Time Management Tool: This hourglass set helps children develop a sense of time and manage tasks efficiently. Use them for brushing teeth, cooking, learning activities, or as a decorative piece in a home office or classroom. - Practical Applications: - Encourage kids to complete tasks like homework or chores within a set time frame. - Utilize them as timing tools in classrooms for activities and games. - Enhance family cooking time by setting a specific duration for meal preparation. - Optimal Size: Each hourglass measures 8.7 cm (3.43 inches) in height and 2.5 cm (0.98 inches) in width, making them easy to handle and store. This hourglass set combines functionality with safety and durability, making it a versatile tool for both educational and practical use.