Magnetite is a natural magnetic stone that can be pushed and pulled other stones or metals. Magnetism is invisible, and it cannot push, pull, or attract all objects, but can be attracted if the object contains metals such as iron, nickel, and cobalt. So if you want to use a magnet to attract a piece […]
According to research, during the golden period of baby brain development, targeted training can fully develop children’s potential. Magnetic sheets have the same principle as building blocks, but they are different from ordinary building blocks because their splicing is more absorbent than ordinary building blocks. The built building blocks have strong stability and can be spliced […]