Colorful sandglass with minutes marks, ideal for cooking, classroom use, game time, exercising timer, etc.. Features: 6 packs sandglass timer: 1min, 3mins, 5mins, 10mins, 15mins, 30mins. Made of durable ABS and glass material with non-toxic sand. With minutes marks on the glass and different bright color sand. Help your kids do things more efficiently and develop a strong sense of time. Perfect size makes it easy to carry anywhere, ideal for home, classroom, office, etc.. Note: 1. The sandglass' s color will be sent at random. 2. This sand timer is not a precision timing device, please allow there is time deviation. Specifications: Material: ABS + Glass + Sand Quantity: 6pcs Counting Time: 1min + 3mins + 5mins + 10mins + 15mins + 30mins Item Size: 4.3 * 9.0cm / 1.69 * 3.54in Package Size: 16.0 * 12.5 * 11.0cm / 6.30 * 4.92 * 4.33in Package Weight: 700g / 1.54lb Package List: 6 * Sandglass