The woodpecker automaton

Inventors (Intermediate), mission I4 Levers, Linkages & Cams, lesson 2 of 6.

Hook

This toy turns round-and-round into up-and-down. Where does it happen?

Fair test

Mark the cam with a sticker. Count pecks per turn. Draw the cam shape.

Bonus challenge

Design a new cam shape on paper that would peck twice per turn.

The build

  • 🐦 Woodpecker Automaton: Turn the handle and the woodpecker pecks: tok-tok-tok-tok! (level 2 of 5, about 20 minutes, 16 steps)

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