Quite frankly I cannot believe some of reviews of this gadget - it's only got 5 pieces including the bowl, how hard can it be to put it together!! Honestly, if you can't tie your own shoelaces then don't buy this, it's not for you! For everyone else it's dead easy to put together and use. Leave the bowl in the freezer, make your mixture, chill the mixture in the fridge, get the bowl out of the freezer when ready and off you go. 15-30mins later you will have gorgeous soft ice cream.
Make sure you whisk the mixture well, one vital ingredient most of the recipes miss out is air.