Bend a bar magnet into a "U" shape, and what do you get? A stronger magnet! Why? Because the poles are then side by side. Ceramic magnets are the most lightweight and economical.
- Size: 1 1/4"(H)
- Magnets stamped with North and South.
- Classic magnets for demonstrating polarity and attraction
- Number of pieces: 25
- For ages 8+.