ThinkFun Fire Machine set (crossbow)

This is an easy to build crossbow expansion set.
This crossbow is made to use it in your hand or to attached it to your fire machine
You can also use your imagination to build your remixed version.
The new pieces allows you to make with the crossbow a very long shoots.
One thing that I didn't made is to create the crossbow machine box with some cartoons.
I think that is better if you create your crossbow box by you own, in this way you will have fun and you will increase your imagination.
Obviously you can also combine the prices in different way to create very interesting design, the only limit is only your imagination!

I want to apologize if same pieces which you see in the picture are not as the pieces .stl you can download because I have printed tham before realizing that the contest doesn't allows me to do so big pieces.
Anyway I have uploaded some pictures that show you how to obtain tham.
And i want also to apologize if in the picture you see too long rod, but i have