SPINNER

A handheld motor spins up a spinning top faster than you could spin it by hand.
Design your own spinning top, spin it up on a hard floor, then lift off the motor and watch it go!
It's simple but extraordinary experience, just for fun but very usefull to learn about gear train.
On this project you can download the building instruction.(see the end of articles)
It just needed a few minute to complete this challenge and you can start the fun learning in your home.
Prepare your NXT set now to join this challenge, and please leave a comment for this project.
Good luck...!!!!!

Just click below to free download :

download from ziddu :

DOWNLOAD Spinner building instruction