Taking the Subway to Meet My Friend
I’m going to visit my friend. Shall we take the subway to get there quickly and safely?
Build a subway train using two DC motors and a wheel block.
Blocks needed
Subway
- × 1
- × 1
- × 29
- × 49
- × 2
- × 4
- × 2
- × 2
- × 2
Traffic light
- × 1
- × 1
- × 1
- × 1
- × 2
- × 1
How to build 20 steps
1 / 20
Coding mission
The subway must follow the traffic light: code it to go fast on green and stop on red.
App menu to use
Block to use
Mission complete!
Built it and coded it? Tap to save your progress.