➽<b>The small 1 minute Hourglass is shock-resistance, perfect for children's use. Can help your child do things more efficiently and increase time awareness. It also can use games, cooking, classroom, desk decoration. Great Gift for children and friends.</b><br><br> <b> Specifications:</b><br> Material: Durable ABS, high borosilicate glass,blue sea sand<br> Size: 3.5 x1.5 x 1.5 inch<br> Net weight: 2.4 ounse<br> Product Name: 1 minute hourglass sand clock timer<br> Packing: Exquisite gift box packing<br><br> <b>Package Included:</b><br> 1 x Large sand watch 1 min<br><br> <b>Kindly Attention:</b><br> The 1 minute sand timer are designed for gifts, decorations, souvenirs, not a precision timing device, so maybe a little time deviation. But our sandglass has achieved the highest quality ±10% industry standard in the USA. Also, sand flowing speed can be affected by temperature. After standing still for a period of time, shake the hourglass evenly and it will work normally.<br>