Give your child an exciting, hands-on introduction to electronics with Elenco Electronics Snap Circuits Extreme SC-750. This kit contains over 80 color-coded, real circuit components that snap together to create working electronic circuits and devices. Recommended for children 8 and older, this set offers over 750 do-it-yourself projects that will give your child an entertaining, concrete education on how electronics work. A computer interface option lets children view waveforms and frequencies (compatible with Windows 95 or later). Experiments included: sound activated switch, lie detector, adjustable light controller, am radio, rechargeable battery and many more. Use your Windows PC and the included CI-73 Computer Interface manual converts your computer monitor into an oscilloscope and lets you see signals in process in the circuits you assemble. .