Đồng hồ cát khung gỗ 1 phút

Description: 1 minutes hourglass with wooden frame, can serve as a gift, home or office decoration Suitable for cooking, playing games or practice timing; Meanwhile you can use it with your children for numerous little tasks to keep him focused (such as brushing teeth & speed tidying his room... make it fun to "beat the sand") Material: Wood + Glass + Sand Size (LxH): Approx. 4.5 x 9 cm / 1.77 x 3.54 inch Note: The hourglass is not a precise timer; there will be some error. Package Includes: 1 Piece Hourglass