How to build animal parts and animals, including full instructions to build a penguin, a giraffe, and a frog.

Building a vehicle with the RCX system. Includes how to attach motors, choose wheels, gear up, gear down, use pulleys, and use special gears: the bevel gear, cam, differential, worm gear, gear rack, and crown gear.

Build a bug using the RCX system.

Bracing a structure using the RCX building system.

How to build a bevel gear using the RCX system.

How to build a basic car with no motors.

The RCX Constructopedia includes an extensive set of instructions meant to introduce beginners and advanced builders alike to new concepts in building with the RCX. 418 pages.