Beaks and grippers
Explorers (Foundation), mission E8 Animal Machines, lesson 3 of 6.
Hook
Birds have different beaks for different food. Which “beak” is best?
Fair test
Give the grabber flat tips, then pointy tips. Count seeds, marbles and pompoms picked up.
Bonus challenge
Match each beak to a real bird: pelican, parrot, hummingbird…
The build
- 🦀 Lazy-Tongs Grabber: Squeeze the handles and the criss-cross arms shoot out to grab things far away! (level 2 of 5, about 20 minutes, 11 steps)