Magnetic piece toys don't emit radiation because magnetic objects don't emit radiation. Only some heavy metals, such as radium and cesium, emit radiation. Of course, this kind of thing is invisible to ordinary people.

Things like magnets are just things in which the arrangement of atoms changes when they are close to each other, thus attracting them together, and they are not harmful to the human body. In fact, to be exact, radiation is everywhere in the places where we live, such as computers, televisions, mobile phones, microwave ovens and so on. All objects in nature send heat to the outside world in the form of electromagnetic waves as long as the temperature is above zero. This way of transmitting energy is called radiation.

Small kachito disks and building blocks are like Chinese characters. At first glance, it's nothing special, but when combined, it will become a wonderful article and touching words. The building blocks are pavilions and dream palaces. Children should think about the final appearance before building blocks, and think about what kind of blocks to choose to realize their own conceived projects. Building block toys are a good exercise for children's imagination, structural thinking and modeling ability, which can develop children's spatial perception and creativity, give play to children's ability of organization and understanding, and enhance children's endurance and interest in architectural science. Therefore, building blocks can provide children with a broad imaginary world, effectively promote the development of children's creative thinking and cultivate their creative ability.

Building block toys are intimate companions of children's games, important teaching AIDS for educating children, and are conducive to promoting children's all-round physical and mental development. Learning in games is the most effective for young children. If a child lacks experience in playing with building blocks, the spatial structure and imagination will be a great pity.