Learn how to build a working LEGO safe with a functional card lock system using only standard bricks. This tutorial shows each step of the construction process, from the card entry system to the ...

Step by step tutorial on how to build a LEGO card safe using only standard bricks. This guide shows the complete construction process including a simple lock system and storage compartment for cards.

LEGO is one of the most popular building systems out there for geeks who like to tinker with robotics and DIY construction. The LEGO EV3 kit has a control system brain that allows the projects to be ...