Building Robots With Lego Mindstorms: The Ultim... -

: Small pieces used to keep axles from sliding out of place. ⚙️ Movement & Sensing Components

To make your robot functional, you'll need these essential parts:

For the physical body of the robot, the authors emphasize moving beyond basic bricks to specific Technic elements for stability:

Depending on your specific version of Mindstorms, this "proper piece" is typically one of the following: 🧠 The Intelligent Brick (The Brain)

: Measured by the number of beam holes they span (e.g., 3-length or 5-length axles), these are used to connect wheels and gears.

: Used for precise movement of wheels or mechanical arms.