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.
DIY Porch and Patio Ideas - DIY Vertical Garden - Decor Projects and Furniture Tutorials You Can Build for the Outdoors -Swings, Bench, Cushions, Chairs, Daybeds and Pallet Signs (Diy Garden Decorations)
DIY inspiration: 3 old chairs --> bench. This would look much better if the 3 chairs matched.good use for a set missing one chair, or where a couple chairs have broken pieces and can cobbled together to make one.