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http://www.thingiverse.com/thing:1355451
Easy Gear train by Mopedgonewild is licensed under the Creative Commons - Attribution license.
http://creativecommons.org/licenses/by/3.0/

# Summary

This is a little Gear train toy I created for the MakerEdChallenge. With the little crank you can power the Gear train and rotate in this example the little foot. You can exchange all the gears to create other Gear trains, to change the angular velocity, aswell as the little foot with whatever you come up with. Enjoy

# How I Designed This

I designed this wiht Ptc Creo Student edtition. I designed everything as a single piece and build everything together at the end. 

# Easy Gear train shooter!!

Objectives: 

The objective in this Project is to play with the toy and have fun to learn about how gear trains work. The kids learn what happens when you have a Gear train with different amount of teeth and radius and how it effects the angular velocity of the axel. You can change every Gear quickly and kids can try combinations of different gear trains. Additional they can change the Shooting foot with whatever the kids want to power with the angular velocity of the gear train. For an example we build a winch. 

Audiences: From kindergarten to 4 grade.
 
Preparation: None

Steps!
 First step!  Competition who can shoot the ball the furthest. Everybody has one shoot and can select their gear trains themselves. Then we analyze with the kids what they noticed about the different gear trains and explain to them how Gear trains are relative to the radius and how this relates to the angular velocity.  At the end they can create with our help other things to use the angular velocity. We can build a winch or a windmill

Results: 
-The kids know how they can change the angular velocity of the Gear train. 
-Assesment: Would be different uses of the angular velocity. 
-Fun way to learn about engineering  and physics