This versatile and tough steel inclined plane includes a graduated protractor and an adjustable pulley. Incline is 4" wide x 23" long. Includes a 14 oz. 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.

Inclined Plane with Pulley Shipping weight:  7 lbs., Dimensions:  26" x 7" x 3".

Roller only Shipping weight:  1.5 lbs., Dimensions:  5.5" x 5.5" x 2.5".