Vertical Axis Wind Turbine Science Kit, Kit Should Only Be Used By Persons 12 Years Old And Up, And Only Under The Supervision Of Adults Who Have Familiarized Themselves With The Safety Measures Described In The Kit, Keep Small Children And Animals Away
KidWind Advanced Wind Experiment Kit, wind turbine technology, Test different blade designs, gear ratios, generators, and devices to measure electrical and weightlifting power, for College, High School, and Middle School
Current balance, classic method for demonstrating and measuring the small force experienced by a conductor carrying an electric current in a magnetic field, One half of the balance is placed inside a solenoid, other half has an adjustable counterweight