XCOZU Hourglass, 4 Colours Hourglass Children's Toothbrush, Hourglass 3 Minutes 5 Minutes 10 Minutes 20 Minutes for Classroom/Game/Office/Home/Decoration

XCOZU Hourglass Sand Timers, 4 Coloured Sand Glasses for Classroom & Home Office Decoration - 3, 5, 10, 20 Minute Settings

LIORQUE Visual Timer for Kids, 60 Minute Visual Countdown Timer for Classroom Teaching Cooking, Kids Time Management Tools with Silent Operation & Rainbow Pattern Design