Aya wakes up with a big smile on her face. Today she is going to the beach with her family Hat, suncream, towel, bucket, spade... Aya collects up all the things she will need for the beach. She quickly fetches Papaya. It's time to leave. At the beach, Aya builds a big sandcastle. But a huge wave washes up on the beach and eats Aya's sandcastle, mouthful by mouthful. Aya is very sad, until she had an idea to build the biggest and...