Cardboard Hydraulic arm !

[mousey]

My kids showed me this yesterday and I thought it was awesome. I know there's a lot of folks on here who like to make stuff and tinker so thought you lot would enjoy this too.....

[video=youtube;l571zwKpx7I]https://www.youtube.com/watch?v=l571zwKpx7I[/video]

 

[laro13]

Cool project.

 

[petrochemicals]

I like everything exept the music!