This 6" by 6" square of silk can be used to observe the relationship between friction and electricity.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.
This product is shipped from our supplier's warehouse in Macks Creek, MO, United States
This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.