[man8959]

okay, I put a big paper box in the back to see if the BCI does it job. but it knock the box down with no problem. does anybody know how it suppose to work? am I doing something wrong for it not to work> thanks

 

[man8959]

the reason why I asked why my doesnt work is because I saw this demonstration on youtube. here is the video http://www.youtube.com/watch?v=NLgBLILhHTU. maybe the card box I test was to small.