Repairing a Tight Lego Motor

If you read my previous post, you'll know I've been working on reconditioning a 20+ yr-old Lego Mindstorms set for my Godchildren. Today...

MindStorm Brainstorm

I have a 20+ yr-old first-generation Lego MindStorms set that's been hanging around unused for a long time. I decided to pull it out, go...