Just over a week ago i was in a petstore with some of my friends looking at all the pretty fishys and goldfish products.
I had pretty much all i needed at the time but my friends kept insisting that i buy something for my goldies just for fun.
So i bought these seethrough coloured plastic shells things that sit on the bottom of the tank. They were really cheap at 60cents each so we grabbed some.
I rinsed them off when i got home and put them in the tank all in different places, they make the tank look quite pretty.
I woke up then next morning and they were all in the middle of the tank all together. So i watched my fish later on that day and they were moving them around the tank by pushing them along with their heads. They seem fascinated with the things and are always changing where they are, just like they are changing their house, hehe.