The gear parade
Explorers (Foundation), mission E2 Turning Things, lesson 3 of 6.
Hook
What happens if we put 3 gears in a line? Or 4? Or 5?
Fair test
Add one gear at a time. Each time, predict which way the last gear turns, then check.
Bonus challenge
Can you find the pattern? Odd number of gears… even number of gears…
The build
- 🎠 Idler Parade Car: A parade of gears rides on top — each one spins the opposite way to its neighbour! (level 1 of 5, about 20 minutes, 13 steps)