You may have seen these in QI with Stephen Fry You are buying a bundle of 3 pack of water absorbing expandable Gel Beads. These start off like small ball bearing pellets & by adding water each one expands into size of marbles! Decorate & save water with these waterbeads. Odourless, biodegradable & re-usable, the waterbeads are truly marvelous. They are an innovative & colourful substitute for soil. No Fuss, No Mess & Beautiful. By adding water, it expands up to 200x its original size, & provides water & support for your plants. You can add them into a vase just by themselves or mix it with soil. The waterbeads will slowly release water so that you don't need to waste time & water by having to water your plants everyday. As water is released the beads shrink & all you need to do is add water to see it expand again! 3 packs will fill a large vase. Pods & vase not included. If you are interested in the pods please check our other products in our shop. Colours available: Blue Green Yellow Red Pink violet Orange Black White Clear Mix