Discover advanced aspects of wind turbine technology. Test different blade designs, gear ratios, generators, and devices to measure electrical and weightlifting power. Discover advanced concepts of wind turbine technology! Young scientists can explore gearboxes and airfoils. They can also construct blades to generate electricity, lift weights, and pump water. This kit is perfect for grades 7-12 and is all inclusive. You will need your own wind source, basic tools, and imagination! Includes 1 x Wind Turbine Generator with Wires 1 x Weightlifter Nacelle Parts 1 x Wind Turbine Hub 1 x Power Output Board 1 x Tower & base 1 x Plastic Weightlifter Bucket 1 x Blade Pitch Protractor 25 x Dowels 1 x Power Output Pack 5 x 3″ x 12″ x 3/32″ Balsa Wood Sheet 10 x 3″ x 12″ Chipboard Blade Sheet 1 x 4′ String