If you grease your hands liberally and the countertop it'll be wicked easy. It takes about 8-10minutes to have a nice ball of mmf. One tip: when microwaving the mm's DONT forget the 2 tbl of water. Start the micro on defrost then after a couple of stirs w/the spoon turn the dial to medium. this way they won't melt too fast. Keep stirring every 15-20 seconds and be sure to scrape the sides. I personally use only the Jet-puffed mm and the domino sugar. (It seems to work the best for me :0) ) Then if you have a chance to get a wilton mat and the mmf rolling pin.... GET THEM they will be your bestest friend w/mmf. After the mm are ready I then pour all of the confect sugar on the mat in a pile then make a small well in the middle then pour all of the mm in the middle. (remember to take OFF all rings prior) GREASE your hands in the middle in the cracks in between your fingers AND the backs of your hands.... KEEP the crisco handy!!!!!! once I do that then knead away sister..... Like I said it'll take a good 8-10 minutes to get a good ball. If it feels too dry and crumbly in the process... add a LITTLe bit of water to your mixture. Like 1tsp at a time. KEEP coating your hands w/the crisco as you go the crisco will knead into the mmf making it more pliable.
Once you store it and it becomes a little dry... just add some crisco to it and it'll become more pliable..
hope this helps