This product is often used to demonstrate principals of conservation of energy and simple machines. The pulley is constructed of plastic with a steel rod and roller bearing hub. Step sizes of the pulley are 1.5”, 2”, 2.5” and 4”. It is easily connected to a support stand with a right-angle clamp.
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.