The Tiny Ocean

"Jack's family visits the seaside. Jack and Bella want to catch a fish, but they are not able to catch any. Popup says that there are several thousand animals in Bella's bucket. But the animals are too small to see. How can Popup prove it?

Translate: (Keluarga Jack mengunjungi pantai. Jack dan Bella ingin menangkap ikan, tetapi mereka tidak dapat menangkap satu pun. Popup mengatakan ada beberapa ribu hewan di ember Bella. Tapi hewan-hewan itu terlalu kecil untuk dilihat. Bagaimana Popup membuktikannya?)"