Features: Sand timer set contains 6pieces different sand timer with various lid color. Counting time: 1 minute, 3 minutes, 5 minutes, 10-minutes, 15 minutes, 30 minutes, not an accurate timing device, so with time-deviation. Perfect for cooking, coffee making, game, exercise, child learning, helping children establish visual concept of-time. The hourglass timer can be used to decorate various scene, such as offices, window, restaurant, dressing-tables and other place. Quality plastic and glass materials, not easy to break under normal use, please prevent falling from high or collision with other items. Specifications: Material: Plastic+Glass Size: about 4.3x9.6cm/1.69x3.77inch Type: Black Lid A, Black Lid B(optional) Occassions: for Game Classroom Home Office Decorations Product Use: coffee making, children learning, kitchen timer and more Quantity: 6Pcs/set Package Includes: 6Pcs Colorful Sand Timer note: Please allow 0-1cm error due to manual measurement. Please allow for slight color difference due to different monitor resolution.