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 Fast spring-powered motor

Ref: 92890

Hint M1

Available: Limit of 32

A fast-rotating motor, for K'NEX models that need high speed but low power, such as dragsters, carousels, fans and helicopter blades.

To operate, just wind the axle backwards to coil the spring, and then let go. Ideal for use at home or in school.

View Video of a dragster model and a carousel model that use this motor.

If you need more than 128 of this motor, please email us.

K'NEX Battery Motor Green

Ref: 22722

Hint M4

Out of stock - email us For availability please

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

View Video

K'NEX Battery Motor Blue

Ref: 92840

Hint M4

Available: Limit of 16

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

View Video

K'NEX Fast battery motor Red

Ref: 2971001

Hint M4

Available: Limit of 64

High speed - 190rpm. Ideal for building fast K'NEX vehicles, at home or in school.

As used in sets such as the K'NEX Revolution Ferris wheel. Same speed as Fast battery motor Silver. Requires two "AA" batteries (not included).

View a video that shows the high speed of this red motor compared to the black, blue and green motors.

K'NEX Battery Motor Red long lead

Ref: 92875

Hint M2

Discontinued - Alternative

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

We recommend buying the 92840 K'NEX Battery motor Blue as a replacement for this discontinued motor. Please email if you would like any advice on how to convert your K'NEX model to use the new motor.

K'NEX Motor 12v

Ref: 92815

Hint M3

Available: Limit of 8

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.

View Video

Mains adaptor UK for K'NEX Motor 12v

Ref: 92815UK

Hint M3

Available: Limit of 16

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

Mains adaptor Europe for K'NEX Motor 12v

Ref: 92815EU

Hint M3

Available: Limit of 16

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 US for K'NEX Motor 12v

Ref: 92815US

Hint M3

Available: Limit of 1

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.