It used to be that if you wanted to attach a motor to your Lego build, the only way to power it would be to use a Lego Battery Box—a large, unwieldy block that used six AAA batteries to power your ...

Although [Jamie’s Brick Jams] has made many far more complicated motor design in the past, it’s nice to go back to the basics and make a motor that uses as few parts as possible. This particular ...