The difference between this children's educational alarm clock and the general alarm clock is that this alarm clock is full of interest. There are 12 digital building blocks on the surface of the alarm clock, which can be taken out and stacked. After taking out, there are corresponding numbers on the base so as to return to the original position. The alarm clock itself and the digital geometry are all used with building blocks. Colorful colors can attract children's eyes. There are 12 digital building blocks on the surface and 18, the whole alarm clock has a total of 30 building blocks, which can be stacked into multiple shapes. The alarm clock is a hexahedron, including a front cover, a shaft, a pointer, a rotating shaft structure, a base, a spring, a building block, a back cover, a circuit, and a battery. The building block on the side is an embedded structure, and the building block is taken out by pressing. There is a self-elastic spring inside the side of the alarm clock, which is easy to take out after pressing. Practical: In addition to the function, exercise your child's hands-on ability. This puzzle alarm clock can replace building block toys to a certain extent. The wooden alarm clock base and building blocks are safer and more durable. The size of the building blocks is controlled within the range of 12 cubic centimeters, which is anti-swallowing and safer. The building block structure is stable and can stand stably.