Frey Scientific Color-Coded Bar Magnets, Red/Blue, Pack of 2

Red and blue plastic-covered bar magnets are safe and effective aids for demonstrating the attracting and repelling forces of magnets. Each magnet measures approximately 3-1/10 L x 9/10 W x 2/5 H inches (80 x 22 x 10 millimeters). Sold in pairs as 2 magnets total.

• Strong bar magnets are excellent for teaching basics of magnetism, magnetic fields, and demonstrations on polar attraction and repulsion
• Color coded bar magnets are clearly outlined between (red) North and (blue) South poles
• Ultra-durable plastic casing over magnets provides safe, stress-free handling