Use this compass board and a magnet not included to experiment with magnetism explore magnetic fields and learn about the functioning of compasses. Each board contains 20 individual compasses. Sold as a pack of 10 compass boards. Product warnings warning: this product can expose you to chemicals including styrene and lead which are known to the state of california to cause cancer birth defects or other reproductive harm. For more information go to www.P65warnings.Ca.Gov. Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.
