Pros: As mentioned above, the Lava lite lava lamps depicted here, have a whole bunch of reviews, mostly positive, and they are a top seller for a reason.
Cons: Most lava lamps take quite a while to warm up first. In some cases, you may have to wait up to an hour before enjoying them. Some reviewers bought this exact lava lite lava lamp to have it break or not work correctly after about a week, and one person mentioned a smell. You can read reviews good and bad for yourself by clicking through any of the links shown on this page.