Thames & Kosmos 623913 Features: -Build a working wind turbine to harness power out of thin air. -Use the wind turbine to generate mechanical power and generate electricity to light up an LED. -Learn how to measure and calculate the different forces acting on the rotor blades by breaking them down into vectors. -Discover how the sun makes the wind, providing us with an endless source of energy. -Read about different types of wind turbines and windmills. -Harness mechanical energy to lift weights. -Full-color. -32-page experiment manual offers illustrated instructions and scientific information. -Ages 8 and up. -Assembly required. -Guide book dimensions: 5.5″ W x 8.25″ D.
Experiment with the Potential Power of Salt Water Budding scientists are just a few drops of salt water away from discovering the magic of this new form of clean energy The Salt Water Fuel Cell Baja Runner Kit is OWI’s now in its fifth generation of the growing line of Salt Water Fuel Cell kits. This two-pack bundle offers double the fun for plenty of friendly competition among family and friends. How does this eco-friendly technology work? After activating the magnesium fuel cell module with a saltwater mixture, the chemical reaction generates electricity using salt water as an electrolyte to power the on-board motor. Product Details: The magnesium metal sheet can operate the vehicle for about 5-7 hours continuously. Each model comes with 29 pieces Once assembled, each Baja Runner measures 3.46″x 4.65″x 2.17″. For ages 8 and up.