Build an electric eye, motion and light-activated alarms, and more.

Play a treasure hunt game in the dark! Set includes seven electronic blocks, decorative stickers, and an Inventor's Manual. Kids learn how things work as they put together burglar alarms for bedrooms, lie detectors, light-tag games, and much more - all complete with sounds, flashing lights, buttons to press, and automated sequences.

Logiblocs are high-tech, interactive building blocks that plug together to make things happen! Each kit includes bright transparent electronic blocks that connect into circuit systems to create fun activity toys. Every kit includes an Inventor's Manual with step-by-step instructions for building projects.