Scientific Explorer Circuit Board Electricity Kit mini lab will teach your “junior electrician” about electricity by safely experimenting with conductors, a real working circuit board, wires, light bulbs and more for high-voltage excitement. This mini lab provides safe, educational electrical fun that requires (4) “AA” alkaline batteries (not included) and includes a 48-page instruction booklet with over 10 experiments to learn about electricity, series, parallel and short circuits, switches, voltage, current, resistance and other concepts important for electricians and those working with electrical appliances. This electricity kit encourages hands-on educational scientific exploration and is a good introduction to electricity and electrical circuits. The Scientific Explorer 2018 Electricity Kit includes a circuit board base, battery holder, brass strip, 2 light bulbs with holders, switch, 11 long wires, 11 short wires, 2 bulb holder clamps, Morse code switch, 22 washers, 33 brads, 2 resistors, plastic jar with lid, steel wool, 14 springs and 48-page manual. Recommended for children 8 years of age and older with adult supervision.