Package includes 2 cute countdown timer, a cream-coloured one, and a blue one.The size of each cooking timer is 3.5 X 3.5 X1.1inches. Completely mechanical,no battery needed, manual winding, strong and sturdy,clear sound.High-decibel bell warning, accurate cooking time.When the cooking timer magnet rotates to the set time of the mechanical drive,a bell will sound automatically.The back is provided with magnetism,which can be adsorbed on the surface of a wall such as a refrigerator or metal. Can post message notes, postcards, photos. The BOBOFISH countdown clock, made by environmental ABS plastic, 3.5 X 3.5 X1.1inches appropriate size , Cute little animals Shape design add an adorable point of interest to your kitchen gadgets, greatly improves children's concept of time management,Such as cooking, baking, reading, homework, jogging, assignments,shower, special needs and much more. easy to use and clean. No matter how long you set,all the 60 minutes mechanical timer MUST rotate clockwise to 55 to wind up first, then rotate counterclockwise to any time you need, IF NOT, IT MAY CAN'T RING. The deviation is +/-5% in line with industry standards. All mechanical time managers are not exactly accurate to the second.