DIY Coral Reef prop/party décor! Things you'll need: Large cardboard/wood surface - lined with wax paper Wood dowels Can of spray foam Spray paint What you do: Place wood dowel on wax paper and secure with tape. Use spray foam to create organic free flowing motions that resemble coral. Note: Foam will expand so don't spray too much in one area. Let dry overnight. Carefully peel off wax paper. Then spray paint.
Chicken wire filled with colored paper? But instead of crumpling the paper up like you would on a float or a wall decoration it’s rolled and secured, probably by painting the chicken wire with glue or modge podge then sticking the paper in.