This versatile and tough steel inclined plane includes a graduated protractor and an adjustable pulley. Incline is 4" wide x 23" long. Includes a 14oz. roller that can be used as a vehicle on the plane or as a counterweight. Also includes a pan and cord for masses. Includes activity guide.

26" x 7" x 3"

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov