Science Kit. A long time: 10 Years & Up. Made by Tree of Wisdom.
The Energy Lab has been designed to make kids conscious about the significance of Energy Conservation. The lab features a comprehensive book coping with renewable sources of energy such as wind, solar, tidal, hydroelectric, geothermal, and biomass. All of those are friendly choice sources of energy, replacing non-renewable energy such as coal, oil and natural gas. Requires one “AA” Battery
Find out about Energy Conservation
Comprehensive book about renewable sources of energy
Wind turbine and solar cell
Chemical cell, and a hand operated generator
Sensitive digital voltmeter