Elenco Snap Circuits Pro

Contains over 75 snap-together parts, including voice recording IC, FM radio module, analog meter, transformer, relay, and 7-segment LED display. Build over 500 exciting projects. Includes 73 computer interfaced experiments. Electrical components provide kids ages 8+ with hands-on experience designing and building models of working electrical circuits. Snap-together parts require no tools and ensure correct connections. Requires 4 "AA" batteries (not included) Clear and concise, full-color, illustrated manual included and available online. Excellent used condition!