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ELECTRICITY, MOTORS & GENERATORSInvestigating Electricity— Activity-Stations KitWith four engaging, hands-on experiments, students explore basic electricity principles like electric current and voltage in series and parallel circuits, electrostatics, electrochem-ical cells and electrical resistance. Activity stations allow groups to work independently on a specific aspect of electricity then move on to the next lab station. Detailed instruc-tions and Teacher Notes are provided. AP7019 I $147.05Snap Circuits®, Jr.This simple circuitry kit lets students create a musical doorbell, alarm, clap sounds, police siren, blinking lights, flickering lights and more. Parts mounted on plastic modules and easily snap together. Includes 30 color-coded parts and an illustrated instruction manual with 101 projects. This Jr.-sized kit is the same as the original, but smaller and with simpler concepts. AP7467 I $36.05Metal ElectroscopeThis sturdy aluminum-cased electroscope provides years of dependable “see-through” demonstrations. The aluminum case has front and rear glass windows for easy viewing. The square design keeps the foil leaves farther from the side of the electroscope and less susceptible to erratic exterior static charges. The foil leaves only react to charges you intentionally place on the ball of the electro-scope. Complete instructions are provided. AP5640 I $43.65Wimshurst Static MachineRapidly spinning plates on the machine add motion and excitement to electrostatic charges produced, collected and discharged across a spark gap—two balls mounted on metal rods. Spark length can change by adjusting the rods with the insulated ebonite handles. Add Leyden jars to create 2” sparks, or produce a rapid succession of low energy sparks without. Durable unit has unbreakable plastic static plates. Includes user guide and experiments. AP4738 I $177.20Snap Circuits® Students understand modern technology as they follow circuit diagrams and build basic electronics. With the kit components, design more than 300 electronic devices, including an AM radio, flashlight, burglar alarm, blinkers, voice-activated devices and electronic games. Durable plastic modules easily clip together and mount on the plastic “circuit” board. Components and diagrams are color-coded for easy building. Instruction book provided. AP6531 I $72.90Investigating Electricity KitExplore 10 complete investigations on the basics of electricity. Each set includes enough materials for one lab station, Teacher’s Guide, two student workbooks and an ammeter. Investigations include building simple electric circuits, circuit diagrams, conductors and insula-tors, as well as the effects of any electric circuit, how to use an ammeter, how a fuse works, variable resistance in a circuit and measuring current in a series and parallel circuits. AP5635 I $139.85