[ BRIGHT COLORS-SAFETY ]: Magnetic rods and balls have a variety of colors, which are bright colors to attract a baby's attention and improve children's color discrimination ability. The product is round and burr-free; children can play safely without hurting their hands. [ MULTIPLE CONSTRUCTION METHODS ]: Each specification of magnetic rod is equipped with a short rod, long rod, curved rod, and ball. Children can refer to the manual to build it or build it according to their own ideas, which helps to cultivate children's creativity, improve children's ability to think and work independently and improve children's hand-eye coordination ability. At the same time, parents can also participate in building with their children to improve parent-child communication and promote parent-child feelings. [ STRONG MAGNETISM ]: The magnetic rod has good magnetism. It can be firmly adsorbed between the rod and the rod and between the rod and the ball, which is conducive to fixing the shape. Children can DIY more and more beautiful shapes.