ELECTRONICS LEARNING CIRCUITS EXPERIMENT KITCurious young minds will delight in an everything included kit that guides them safely and shock free through 70 thrilling experiments with electronic circuits. The exciting building projects include an alternating blinker, a police siren, a light detector, a rain warning system and more. Hours of electrifying fun await! Ages 8 and up. 14 1 2" x 11 1 2" x 3". Includes materials and a 64 page full color manual for 70 experiments. By Thames & Kosmos;