Small ball shaped plastic plants nestle in the ceramic media on the base of the aquarium to add colour and interest.The Small Colour Balls come in a pack of three and make adding some instant colour very easy. Each pack includes a purple, yellow and red Small Colour Ball attached to a ceramic weight making them easy to use.These simple to arrange aquarium colour balls are supplied in packs of three with three colours (purple, yellow and red). Full instructions and planting tips on the reverse. They are a wonderfully simple way to enhance any aquarium in just a few minutes.The Small Colour Balls are made using high quality non-toxic plastics and are extremely easy to clean (if needed), simply wash in old aquariums water (using the water removed from the aquarium when maintenance is being done).