Ball Wood 25mm diameter with 3mm hole for Physical Science Education. Pack of 10.

Physics balls can serve a number of different purposes in both the classroom and lab setting. These wood balls are 25mm in diameter and each have a 3mm drilled hole. Sold in a pack of 10 balls. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead (all metal balls and all hooks) and chromium (steel balls only), 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. This product consists of small balls, making it a choking hazard. Only use with adult supervision. Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.

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