Kids Science Magnet Kit 24 Pcs STEM Learning Toys for Basic Physical Principles Experiments Key points: They can improve students observation skills, Irritating question. Very compatibleable compatible science projects or classroom presentations. Use it with iron filler or paper compatible field experiments. There is a plastic box to store these accessories, convenient carry. Equipped with bars, rings, horseshoes, compass magnets and Other accessories, easy to complete the experiment. describe: Fun design is children's favorite Educational toys. They can develop their creativity and motor skills in the following ways Play. Improve baby's hand-eye coordination Your childs imagination and creativity. Not only can exercise the brain and develop intelligence, It can also relieve stress, relax and have fun. Specification: Color: multicolor Material: magnet, ABS notes: Because the display and lighting effects are different, the actual color It may be slightly different from the picture color. Due to manual measurement, please allow a difference of 1-2 cm. packing list 2 x magnetic car 2 x bar magnet 6 x ring magnet 1 x horseshoe magnet 1 x compass 1 x base 1 x bezel 1 x prop 1 bag of iron powder 1 x rubber ring