still exists today: http://www.lectron.de/Hink wrote:when I was very young my father bought a kit from Raytheon that was building blocks each with a component in it, you built projects on a cookie sheet and the blocks connected by magnets/metal contacts. It was geared toward kids but you could make a lot of things, it even had a photo cell and you could make a crude theremin that worked from the amount of light. It was my favorite toy ever
only available in German however, and quite pricey.
cheers,
Aldo