Ekobots - Magnetic Tractor Beam

__Magnetic tractor beam with permanent magnets.__
Like Star Wars and Star Trek. O_o

Total 8 magnets, 6 small and 2 bigger for version 5mm.
Simple and fun again.

Based in video:
http://www.youtube.com/watch?v=bRDKOcfrI-Y
Thanks: Latheman666

__You can help me to do more things like this.__
Buy my designs at pinshape:http://pinshape.com/users/27920-jsirgado
The OpenSCAD file is there, you can change all.