Goal:
Learn Lego Spike Movement Blocks
Concepts:
- Turning ratio
- Determinants of turning ratio in two-wheel robot
Materials:
One-wheel drive car used in last lesson.
Preparation:
Convert one-wheel drive car to two-wheel drive car by:
- Remove wheel with long axle.
- Add second motor and wheel following same construction as other side. When you’re done it should look like this:

Procedure:
Explore the different Movement Blocks.
Homework:
Try turning movements with car on different surfaces. What turning movement gives the most reliable results?