Easy to learn and teach: This is a professional wall clock for children's learning. With each quarter broken down into a color, so kids can easily learn terms like "0' clock 00", "Quarter ", "Half ", and "Quarter To". Besides, the 5 increments around the outside can give great help to tell time. Early Development: We designed the clock to help when we were teaching own child to learn how to read time. For kids to learn time efficiently design had to be easy to understand, labeling each quarter with a different color would an easy way for your child to quickly create an association between the numbers and where they are. Studies show certain colors greatly affect a child's mood. detail of this clock has been optimized to have a strong learning impact. Silent Sweep Movement: This children's analog wall clock has a sturdy, durable design and a silent sweep movement, saving you and the rest of the family from the annoying ticking sound. The quiet design is great for classrooms as , as it keeps distractions Long Battery life: Low-power quartz movement requires one AA battery(not included), please use normal carbon battery rather than alkaline battery which could work for a long time and the accuracy of the time. color:Blue Material:Metal + Plastic size: 4.8 x 8 x 9cm Package Contents: 1 x Alarm clock Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.