Sand timer set having 1 minute (4.4 x 9.8 CM)/3 minutes (4.4 x 9.8 CM)/5 minutes (4.4 x 9.8 CM)/10 minutes (4.4 x 9.8 CM)/15 minutes (4.4 x 9.8 CM)/20 minutes (4.4 x 9.8 CM)/30 minutes (4.4 x 9.8 CM)/45 minutes (5.4 x 12.8 CM)/60 minutes (5.4 x 12.8 CM), and printed in clean and bold script on each timer to distinguish the different times.
Made of high quality borosilicate glass, non-toxic sand, and durable Acrylic, ABS cover, which won't break easily even if descend on floor.
The hourglass sand timer give a visual aid to know how much time is left and kids know a time frame of how long they need to read, play, watch ect. Good way to beat procrastination. The sand will quietly expire, allowing someone to forget time and enjoy time. This made our life much easier.
It is ideal for classroom use, game time, kids' tooth brushing, child learning, self- control, psychological training and cooking. Note: This sand timer is not a precision timing device, so there is time deviation.
