Learn how to build a functional and secure mini safe using standard LEGO bricks with this easy-to-follow tutorial. The ...

Electrically heated elements turn from solids to liquids to provide flexibility to robotic building blocks. We use cookies to ...

Discover how to build a fully functional toy sniper rifle using only cardboard, popsicle sticks, and rubber bands. This step-by-step craft tutorial guides you from drawing and cutting the cardboard ...

Watch this video of a working Lego clock that uses gear trains, a pendulum escapement, falling-weight power, and solar-driven rewinding to operate a multi-stage calendar and billion-year counter.