Building Block Timer,Dedicated Time Manager for Children's Learning,Timed Reminder Self-discipline Alarm Timer Features: Alarm setting: Reasonably arrange learning and cultivate a sense of time. Small and portable: It's really small and portable enough to carry wherever you go Skin friendly materials are and safe: materials are reassuring,safe to use,and more reassuring Convenient replacement and long-lasting battery life: Button battery,small body,large capacity,long-lasting battery life for 6-12 months Sleep mode: the alarm clock rings,briefly press any key to enter sleep mode. The alarm will sound repeatedly 5 minutes,and long press any key to sleep mode and turn off the alarm LCD large screen display: multifunctional data interface with clear and convenient data reading. Countdown/countdown mode: Countdown/countdown mode to meet the needs of different timing scenarios Product Description: Product Name: Building Block Timer Product weight: 55g (including battery) Product specification: 50x50x55mm Product material: ABS/silicone Battery model: CR2032 (button battery) Package includes: 1xblock timer Alarm setting: Reasonably arrange learning and cultivate a sense of time. Small and portable: It's really small and portable enough to carry wherever you go Skin friendly materials are and safe: materials are reassuring,safe to use,and more reassuring Convenient replacement and long-lasting battery life: Button battery,small body,large capacity,long-lasting battery life for 6-12 months Sleep mode: the alarm clock rings,briefly press any key to enter sleep mode. The alarm will sound repeatedly 5 minutes,and long press any key to sleep mode and turn off the alarm LCD large screen display: multifunctional data interface with clear and convenient data reading. Countdown/countdown mode: Countdown/countdown mode to meet the needs of different timing scenarios