[Kitchen Timer]: The set includes 1 cute kids timer, a red tomato timer and. The size of the cooking timer is (6.5cm*5cm).[How to use]: When using, first rotate the timer clockwise, set the time you choose, then rotate counterclockwise to the desired time point, and start the countdown (you need to set it every time you use it, otherwise it will be invalid)Mechanical Timer: The children's timer uses mechanical rotation to make it move and ring, no battery required, economical and applicable, smooth and rounded material, more textured, cute timer, is your reliable time assistantClockwork Timer: The timer can count up to 60 minutes to prevent your favorite dishes from burning. It's a fun and creative way to time things. The egg timer can easily be placed on your countertop or windowsill and can be rotated 360 degrees. If the vegetable timer gets dirty, it can be wiped with a damp cloth for easy use and cleaning.[Multifunctional Manual Timer]: Our tomato timer can be used to cook food to prevent your pizza, biscuits, dishes from being burnt. It can also be used during naps to keep you out of deep sleep. Packed in a color box, it makes a lovely gift for family and friends.