Product Details

• Safety Sand Timer: The large 30 minute sand timer made by friendly high borosilicate glass and acrylic material. And each one has a number of time mark. easy to distinguish which timer for which usage
• TREASURE of TIME: The sand timer 30 minutes help your kids do things more efficiently and develop a strong sense of time. The 30 min sand timer can be used for cooking, games, classroom, study, desk office decorative and teachers use
• Notice: This hourglass timer 30 minute is mainly made for games, which is not a precision timing device, so there is time deviation. But SuLiao hourglass sand timer has achieved the highest quality 10% industry standard in the USA.