Sometimes simpler is better! Economical magnets in a basic bar shape feature an opposite pole on each end, creating an interesting arc-shaped magnetic field to explore. Ideal for activities that do not require a lot of lifting power. Learn all about magnetic polarity! A great demonstration and experimentation magnet! Details:Silver colorEach pack includes 2 alnico bar magnets with North and South poles stampedNorth and South poles stampedGreat for demonstration and experiments! Great for science procedures or projectsFor ages 8 and up