Classic K'NEX Motors

These are the classic K'NEX motors available worldwide. View some examples of K’NEX models using motors. All dimensions shown are approximate.

All the K’NEX parts we sell are in NEW condition, and have been obtained directly from the manufacturer or through one of their subcontractors. We do not sell used K’NEX parts.

Click on any image to display full details, or find out what the Available figure means against each part.

K'NEX 2-part Motor Dark red

Ref: 3278001R

Hint M15

Available: Limit of 8

The two parts can be joined together to create a powerful and versatile K'NEX motor. As used in some recent K'NEX roller coaster sets.

Medium speed - approx.45rpm. Requires two "AA" batteries (not included).

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K'NEX 2-part Motor Grey

Ref: 3278001

Hint M15

Available: only 3

The two parts can be joined together to create a powerful and versatile K'NEX motor. As used in many recent K'NEX roller coaster sets.

Medium speed - approx.45rpm. Requires two "AA" batteries (not included).

View Video

K'NEX Battery Motor Red long lead

Ref: 92875

Hint M2

Available: Limit of 16

A K'NEX battery motor with a 116cm (3.8 foot) tethered lead, powered by two "AA" batteries (not included). 36rpm approx.

Can drive two axles simultaneously. Housed in a clear plastic case, so you can see how it works.

The tethered lead allows you either to attach the battery holder to your model, or to hold the battery holder in your hand remotely from the model. The holder includes a forwards/backwards switch.

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K'NEX Battery Motor Green

Ref: 22722

Hint M4

Available: Limit of 1

Medium speed - 45rpm. Switch forwards/backwards. As used in many K'NEX roller coaster sets. Requires two "AA" batteries (not included).

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K'NEX Battery Motor Blue

Ref: 92840

Hint M4

Available: Limit of 32

Medium speed - 34rpm. Switch forwards/backwards. As used in many K'NEX education sets, for motorised vehicles, etc. Requires two "AA" batteries (not included).

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K'NEX Spring motor

Ref: 92890

Hint M1

Available: Limit of 4

To operate, just wind the axle backwards to coil the spring, and then let go.

A fast-rotating motor, for models that need high speed but low power, such as vehicles with small wheels, roundabouts, fans and helicopter blades.

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K'NEX Motor 12v

Ref: 92815

Hint M3

Available: Limit of 4

More powerful, and cheaper to run, than the battery-powered K'NEX motors. 66rpm approx. Ideal for K'NEX display models. Includes a 90983 white gear wheel and a 90900 tan clip.

Requires a mains adaptor such as the 92815UK, 92815EU or 92815US Mains 12v Adaptor.

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Mains adaptor Europe for K'NEX Motor 12v

Ref: 92815EU

Hint M3

Available: Limit of 4

500mA adaptor for use with 92815 12v motor. Can be configured for use in Mainland Europe (2-pin 230v), or in the UK (3-pin 240v).
Adaptor supplied may vary in appearance from the one shown in the photo.

Mains adaptor UK for K'NEX Motor 12v

Ref: 92815UK

Hint M3

Available: at least 7

For use in UK. 3-pin 240v 500mA. Adaptor supplied may vary in appearance from the one shown in the photo.

Mains adaptor US for K'NEX Motor 12v

Ref: 92815US

Hint M3

Out of stock - email us For availability please

For use in USA with 92815 K'NEX 12v motor.

If we are out of stock of this adaptor, you will probably be able to purchase one locally in the USA - see Handy Hint M3 for the specification.