Years 8–13 · Ages 12–18
Free gears and machines games
Link gears to make machines turn faster, slower, the other way or with more force. These games cover gear ratios, idler and compound gears, speed and torque, rack and pinion, power and efficiency.
Every game is free, needs no sign-up and runs in any browser. Using it in class?
Mechanics game
Gear Garage
Link gears so every machine turns at the right speed.
Free gears game for ages 12–18. Link gears so a machine turns at the right speed, direction and torque. Gear ratios, idlers, compound gears and rack and pinion.
- Years 8–13
- Ages 12–18
- 8 levels
- Free, no sign-up
What students learn
- Meshing gears turn in opposite directions
- Idler gears change direction, not speed
- Gear ratio = driver teeth ÷ driven teeth
- Trading speed for torque
- Compound gear trains multiply ratios
- Rack and pinion: v = ωr
- Efficiency and power: P = Tω
Curriculum links
- KS3 Design and Technologymechanical systems, gears and gear trains
- GCSE Physicsmoments, levers and gears
- GCSE Design and Technologygear ratios, compound gears, rack and pinion
- A-level Physics and Engineeringtorque, rotational power and efficiency
Free teacher pack
Lesson plans, printable worksheets with answers, and curriculum links.
Gear Garage teacher pack
- Two 60-minute lesson plans (Years 8–9 and 10–13)
- Two worksheets, with answers and a mark scheme
- A level-by-level guide with the 3-star designs
- Curriculum links (KS3, GCSE, A-level, NGSS)