Let kids safely build their own working circuit board with this fun science kit from Scientific Explorer! Kids will learn about electricity, series, parallel and short circuits, switches, voltage, current, resistance and more! This science kits includes 10 experiments for the budding electrician. Kids will build their own circuit board with wires, contacts, bulbs & more! This kit is a great educational gift for kids ages 8 and up! The Electricity Kit Mini Lab includes a 48-page instruction manual and meets or exceeds ASTM F-963 consumer safety standards. This kit includes: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,48-page manual