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K'NEX Introduction to Structures: Bridges

K'NEX Introduction to Simple Machines: Gears

Kid K'NEX Group set

K'NEX 20-model Discovery building set

Kid K'NEX Life Cycles set

K'NEX Gears

The gears used with classic K'NEX shown on this page are available to buy worldwide, except USA/Canada. All dimensions shown are approximate. Click on any image to view a larger picture. A Micro K'NEX Grey gear can also be found on the Micro K'NEX page.

If you prefer, you can buy these parts in Euros in our K'NEX shop (Euros) .

K'NEX Gear small push-on Grey
Price: £0.12 Ex-VAT: £0.10 Age 5+ K90988 Available: 1000+ View Handy Hint
Small K'NEX grey gear approx. 25mm diameter. 14 teeth. The gear provides a push fit onto a rod.

K'NEX Gear small Dark blue
Price: £0.29 Ex-VAT: £0.25 Age 5+ K91317 Available: 1000+ View Handy Hint
Small K'NEX dark blue gear approx. 25mm diameter. 14 teeth. A K90900 tan clip should be used to make the gear wheel turn with the rod on which it is placed.

K'NEX Gear small Gold metallic
Price: £0.41 Ex-VAT: £0.35 Age 5+ K91313 Available: 301 View Handy Hint
Small K'NEX gold metallic gear approx. 25mm diameter. 14 teeth. A K90900 tan clip should be used to make the gear wheel turn with the rod on which it is placed.

K'NEX Gear medium Red
Price: £0.99 Ex-VAT: £0.84 Age 5+ K90985 Available: 494 View Handy Hint
Medium-sized K'NEX red gear approx. 55mm (2.25in) diameter. 34 teeth. The gear should be anchored to a rod with a tan connector, and may be used to drive another K'NEX gear wheel, or K'NEX chain.

K'NEX Crown gear medium Yellow
Price: £1.13 Ex-VAT: £0.96 Age 5+ K90993 Available: 463 View Handy Hint
K'NEX yellow crown gear, 55mm (2 1/4in) diameter. 34 teeth. The teeth of the gear wheel extend beyond the edge of the disc, allowing the gear to be used to drive axles at 90 degrees to the driving axle, as well as axles parallel to the driving axle.

K'NEX Crown gear medium Grey
Price: £1.23 Ex-VAT: £1.05 Age 5+ K91993 Available: 1000+ View Handy Hint
K'NEX grey crown gear, 55mm (2 1/4in) diameter. 34 teeth. The teeth of the gear wheel extend beyond the edge of the disc, allowing the gear to be used to drive axles at 90 degrees to the driving axle, as well as axles parallel to the driving axle.

K'NEX Crown gear large Yellow
Price: £1.88 Ex-VAT: £1.60 Age 5+ K90998 Available: 82 View Handy Hint
Large yellow K'NEX gear, 130mm diameter. 82 teeth.

K'NEX Crown gear large Black
Price: £1.88 Ex-VAT: £1.60 Age 5+ K90997 View Handy Hint OUT OF STOCK
Large black K'NEX gear, 130mm diameter. 82 teeth. Same size as K90998 large yellow gear.

K'NEX Crown gear large Green
Price: £5.88 Ex-VAT: £5.00 Age 5+ K90996 Available: 6
Large green K'NEX gear, 130mm diameter. A K90900 tan clip should be used to make the gear wheel turn with the rod on which it is placed.

K'NEX Gear White for 12v motor
Price: £0.12 Ex-VAT: £0.10 Age 5+ K90983 Available: 1000+ View Handy Hint
K'NEX Gear White for K92815 K'NEX Motor 12v

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