Tortoise and hare
Explorers (Foundation), mission E7 Wind It Up!, lesson 4 of 6.
Hook
Remember the story? Slow and steady… Let’s build the tortoise!
Fair test
Race the tortoise against the pull-back racer up a small ramp. Who wins going UP?
Bonus challenge
Give the tortoise a shell made of paper.
The build
- 🐢 Pull-back Tortoise: Slow but super-strong: a spring car that can climb up a book! (level 2 of 5, about 30 minutes, 12 steps)