Ocean in a Bottle

What you'll need:

• a plastic water bottle with lid.
• water plants.
• blue food coloring.
• small pebbles or pieces of gravel.
• fish, shells and other small toys.
• diamond dust.

How to make it:

1. Fill 1/3 of a plastic bottle with water.
2. Add a few drops blue food coloring to the water.
3. Then, pour vegetable oil to fill the rest of the bottle.
4. Add toy fish, diamond dust and pebbles.

The oil and water do not mix, but oil on the water creates slow waves when you turn it back and forth.

Good for ages 5 and up.