Imagine trying to understand a giant forest by only looking at the edge! That's a bit like how we often think about the ocean. We see the beach, the waves, some fish swimming near the shore. But that's just the beginning!

Have you met Dimitra? She is the best friend you could have. Always caring and funny, I really love spending time with her. And she is the smartest, just like all the octopuses.

Have you ever wondered who rules the oceans? Meet Poseidon, the mighty Greek god of the sea! He's a powerful figure with a trident, a three-pronged spear that can shake the earth and stir up storms.

Do you want to be a cool sailor like the ones in pirate movies? Well, you don't need a treasure map or a parrot on your shoulder! Here's what it takes: