Plastic, consisting of U shape handle (154mm X 50mm X 9 mm), 8+2 plastic blades with round top and size of 25mm x49mm,and an axle with 8 gears.

Science Teaching Kits School Lab Equipment Suppliers in India 

Ltekonline are the manufacturers of Turbine Wheel Science Teaching Kit used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Science Teaching Kits for Engineering Teaching Lab in Universities