Kids learn how things work as they put together burglar alarms for bedrooms, lie detectors, light-tag games, and much more

Create four kinds of intruder alarms with voice warnings, secret message devices, pressure-activated security mat, metal detector, or lie detector. Record your own secret messages and play them back automatically. Set includes 10 electronic blocks, one jack plug, two pressure mat cards, decorative stickers, and an Inventor's Manual. 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.