Gear Train - Demonstration Model
Product Number: SB42811
No longer avaliable
This item has been discontinued
Each Demonstration Model measures approximately 2-1/2 times the size of the student version and is great for classroom demonstration. A system of two or more toothed wheels meshed together so that the motion of one directs the others to employ a force in a direction in which the resistance is to be moved. Includes a detailed activity guide which details the history of the model, practical applications, and classroom experiments. 38-1/2 in. x 12 in. x 5-1/2 in. Grades K-8.