This ultra-giant set comes with instructions for building light and sound detectors, an electronic eye, door and drawer alarms, metal detector, space ships and more. It includes 33 electronic blocks, two pressure mat cards, three wires, a jack plug, a light bulb and holder, a pouch, filter paper, stickers and an Inventor's Manual. All Logiblocs integrate with each other to provide an ongoing expandable discovery system of endless creative fun.