Make the fish out of cardboard or felt, and thread it to the button. For the aquarium, you just need a box. Remove all 8 flaps, then cut windows in the sides and slots for the fish in the top with a box cutter or exacto knife.
Buntes Basteln mit Klopapierrollen - Feuerspeiende Drachen *** This fire breathing, toilet paper roll dragon is SO MUCH FUN! Blow into the end, and it looks like flames are coming out of the dragon's mouth! Such a cute craft idea for a rainy day!