This kit is very easy and fun. The lotion bars come out well and I did not have a problem with the push tubes at all.
One thing I would recommend, this is more of a 'winter project' rather than summer. I made mine in the summer and if I hadn't put them in the freezer, I don't think they would've set up well--even though my A/C works great. As it was, the coldness was nice on my skin when it was so hot outside.
I added a small amount of 'Energy' fragrance and it boosted it the 'nice factor' even more.