Simple motorised Fan
This simple model can be built using either:
1. the parts supplied in the 13419M Classic K'NEX 70+10 model Motorised set, or
2. a 12211 K'NEX 50-model set or a 13419 K'NEX 70-model set plus our exclusive K'NEX Motor Add-on pack for 50- or 70-model set.
The instructions below may Downloaded if you prefer (.PDF 0.5Mb).
... and finally fix the fan blade onto the top of the shaft, so that the upwards-facing lug of the Tan interlocking clip fits into the white connector at the centre of the fan blade.
Your fan is now complete, and you can test it by switching on the motor.
Website last updated 17 July 2019. Feedback 
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Website conditions of use
Our price promise
Storage of K'NEX sets and parts
Gift wrapping K'NEX sets