I am interested in building the Tank. Is there a specific Lego Technics Kit to order to get all the parts I need?
We’ve got a thread going on this subject here: http://www.dexterindustries.com/forum/?topic=ordering-lego-parts
Your best bet to get all the parts, without chasing them down individually, is to get one of these two LEGO Mindstorms kits:
Yeah there are many online stores, personally I bought a Lego kit for my nephew from Reecoupons, but you also can check on eBay, etsy.