Interface Shield provides a convenient way to make connections from microcontrollers to sensors. Shield plugs directly on top of and adds two BTA (analog) and two BTD (digital) sockets, be used with SparkFun RedBoard, also works with Intel Galileo
Planetary Gear Demonstrator, Size: 24cm x 14cm x 14cm, for exPlaining the PrinciPle of a Planetary gear. By setting the internal sun and Pinion gears into motion, Class Pack of 10
KidWind Basic Turbine Building Parts, kit includes the KidWind Hub, a wind turbine generator, and 25 dowels, Recommended for College and High School, Pk10