Protect your valuables! Design a MINDSTORMS lock to keep things safe. The lock may use a key, a code, or some other mechanism—the choice is yours! In your entry, be sure to show us how your lock works.
Start Date: January 1, 2019 End Date: January 31, 2019 Rules: You may use a MINDSTORMS EV3 kit, an NXT kit, or a LEGO BOOST kit. You are also welcome to use multiple kits, additional LEGO pieces, third-party sensors, and non-LEGO materials.