These glass balls are sold by the dozen. Glass balls can be used in the classroom and lab setting for many different experiments.
This product contains small parts, making it a choking hazard. Use only with adult supervision.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.
California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.