Description This magnetic field building kit is the fun educational gift for studentswho like science projects, can well develop studentslearning skills and hand-on ability. The compass assemble kit can make studentscuriosity and creativity, well learn simple principles. Features -Color:As Shown -Material:Plastic, magnet -Size:15.20X10.50X2.00cm/5.97X4.13X0.79in -The education kit can well attract students' attention and let them try to build their own compass. -This compass kit can well inspires and encourage studentsto learn about science. -This learning toy is good for curious students, turning your own new ideas and inventions into reality. -Do it yourself, have more fun. Install this compass assemble kit by yourself, then experience the fun of DIY craft. -It can also be used in school in science, technology courses, easy to meet your project needs. Package list: 24 x Magnetic Needles 1 x Storage Box