Inventions Teacher's Pack includes 6 full color readers, 6 motor assemblies (bar magnet, foam base, magnet wire, connecting wire, battery band), 6 generator assemblies (bulb and holder, motor, connecting wire and string), 6 telegraph assemblies (magnet wire, iron nail, battery band, connecting wire, switch card, paper fasteners, paperclips), 6 radio assemblies (50 feet of magnet wire, diode, earphone, paper fasteners, color coded connecting wire), 1 laminated teacher's guide.