The Clockwork Activity Pack

Two paper gears to cut out and turn, a gear experiment, a pendulum timing experiment, gear maths, label the clock, a 12-question quiz and myth or fact, all with answers and the source behind each one.

What’s inside:

- How to use this pack

- Paper gears to cut out

- The gear experiment

- The pendulum experiment

- Gear maths

- Gear maths: answers

- Label the clock

- The clockwork quiz

- Quiz answers

- Myth or fact?

- Myth or fact: answers

- Credits, licence and sources

Pages: 13 (A4) / 13 (US Letter). Formats: A4 (210 × 297 mm) and US Letter (8.5 × 11 in), both PDFs included in one zip.

Printing: Print at 100% / actual size on A4 or US Letter. Most inside pages use light backgrounds and print well in black and white; the cover and a few drawings are dark, so print those in colour or skip them to save ink.

Every fact is written in our own words and checked against named sources from Encyclopaedia Britannica, the US National Institute of Standards and Technology (NIST) and Royal Museums Greenwich (checked 13 Nov 2026); the sources are listed on the credits page. Where sources give different figures, each is shown with its source. Our own opinions are clearly labelled.

Drawings and charts are our own. Photos are from Wikimedia Commons under Creative Commons or public-domain terms, credited on the credits page. Not affiliated with or endorsed by Encyclopaedia Britannica, NIST, Royal Museums Greenwich or any other organisation named here.

Licence: personal use. Print as many copies as you need for yourself and your household. Please don’t resell, re-upload or share it publicly. For club, school or commercial use, please email info@reallybyte.com.

Made by REALLYBYTE, the team behind clockwork.mechanics.im. Questions: info@reallybyte.com

This is a digital download: no physical item will be shipped.