Lava lamps, are they worth?

Lava lamps have a simple build, there are even tutorials on the web that are showing how to make a lava lamp at home.

It is better to see them live before ordering one from the Internet. The videos from the web might not help that much.

The lava can be either green, red or purple but the light source is the one that has a big impact. If it is yellow and the “lava” more »