Circuit Board 2, Mass: 0.44 kg, Optional power sources: up to 4 AA batteries, not included, DC power supply such as Extech Digital DC power supply, Power Amplifier, Maximum voltage: 10 V, Resettable fuse opens at 0.8 A, but 0.3 A or less is recommended
KidWind Wind Turbine Generator with Wire,Voltage output: 0-10 V, Amperage output: 0-0.3 A, Diameter: 1.25 in, Wire length: 4 ft, Shaft diameter: 2 mm, Recommended for College, High School, and Middle School Science
Combination 2. 2 m Track and Optics Bench, black anodized aluminum and includes a metric scale. Extremely rigid, this 2. 2 meter track will not sag under use, The track includes 2 Adjustable Two Foot Levelers.
Independence of Motion, enables the Projectile Launcher to perform the classic experiment where one ball is dropped as another is projected horizontally. The balls strike the floor simultaneously. A built-in level makes leveling th