Out of Axle Hubs?!

You were just building your robot and you ran out of axle hubs! This is a big problem. Follow the steps below to fix this.

  1. Do you know what an axle hub is?
    1. Yes, move onto step 2.
    2. No, Axle hubs allow you to mount other items such as gears straight to an axle. This is what they look like:

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