Big round jar 20cm (H) x 17cm (W), which is suitable for both horizontal and vertical decoration. You can add multiple decor items AND decorate the moss wall with rocks, wood, stairs, house or door. The spacious size will give your more room for creativity and imagination. Hence, it's the recommended size.
Choosing this option means that you will participating in the upcoming workshop (check the front page)
You can take the decor items home even if you don't use all of them but you cannot take the tools home (tweezers and brush)