Lava lamp makes a really cool decoration item in the house isn’t it? Now, you can make one together with your child! This activity is not only fun, children gets to learn about density as well! This activity can be done many times as long as you have Alka-Seltzer tablet which you can easily get from any pharmacy. So prepare lots of it!
You will need:
– 1 clear plastic soda bottle
– 1 bottle of vegetable oil
– 350ml of water
– Food colouring (any colour)
– Alka-Seltzer tablet
How to make it
