Lego NXT Alpha Rex 2

[maria19971997]

Cool. I like it, and it helped me,too.

May i know how old are you?

Thanks.From Maria

[USMarineCorps968]

cool batteries

[jasywasy1]

this video actually helped me put knew batteries in my alpha rex. thanks. this is a great video.

[diegodaudt]

I thought the robot was waaaaaaaay smaller but now it looks veryyyyyyyyyy cool!!!! Have Fun!!!!!!

[connorryder]

wht type of batterieso you need for lego mindstorms and how much program functions can it take