Dowling Magnets 3-Inch Alnico Bar Magnets, Set of 2, North and South Poles Marked. Learning Magnets. Item 731011.

Features

• EASY TO READ: Includes two Alnico north and south magnets (bar magnets for classroom). Each science magnet measures 3 inches x 1/2 inch x 1/4 inch. Magnets north and south poles are clearly marked.
• CLASSROOM DURABILITY: These strong, durable classroom magnets are designed with learning in mind and can be used for demonstration or magnet science experiments by small groups or individual students.
• SCIENCE INVESTIGATION: Use these bar magnets on their own to explore polarity, attraction, and repulsion. To view invisible magnetic fields, use with Dowling Magnets Iron Filings (sold separately).
• LEARNING MAGNETS FOR AGES 5+: Great bar magnets for science classroom labs (hands-on science investigations), STEM projects, science fair and club projects, at-home learning/home school, and more.
• HIGH QUALITY: Metal magnets are made of Alnico 5 material (ALuminum + NIckel + CObalt). These north and south pole magnets are safety tested (by a third-party lab) for use by students ages 5+.