Lazy-tongs grabber

Inventors (Intermediate), mission I4 Levers, Linkages & Cams, lesson 1 of 6.

Hook

How can a small squeeze make a long reach?

Fair test

Measure how far the tip moves for 1 cm of handle movement. Add a section and measure again.

Bonus challenge

Use it to feed a paper fish to a paper penguin.

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)

More lessons in this mission