Where has Little Crab gone? A magical search and find

Have you seen Little Crab? That rascal loves to hide! Luckily, Mama Crab knows the beach and its surroundings well. She's going to see her friends to try and find him. Do you want to help her?
Use the water brush to reveal the colors and find the 10 hidden elements in each world! Little by little, the colors disappear. Start over as many times as you want!