Supplement your science curriculum with comprehensive magnet kits aligned with the Next Generation Science Standards. Investigate motion and stability, matter and its interactions and more. This kit is designed for groups of 5-10 students. Ages 6-9/Grades 1-3. Contents: Alnico Bar Magnet (2" ), 5 Ceramic Horseshoe Magnets (1" ), 5 Plastic-encased North/South Bar Magnets, 5 Plastic-encased Button Magnets, 5 Plastic-encased Block Magnets, 15 Ceramic Ring Magnets, 5 Sets of Polished Steel Shapes, 5 Magnet Wands, 5 Compasses, 5 Pencils, Teachers Guide.