Quantity   Component name
1 × Arduino compatible µC (Or whatever you like) I used my #1853 Atmega Hearth
5 × Green LED I used some PLCC2 Green SMD LEDs, Maybe you wanna use other Colors.
5 × Series Resistors For Green LEDs i calculated 100 Ohm (0805)
2 × enameled copper wire I used about 1.5m, you could also use small cables.
1 × mountain crystal cluster I got mine at a local store at a crystal museum
1 × Planting Pot This is largely dependent on your taste. I bought a nice green one.
1 × Decorative Ice Cubes I used them as mounting for the crystal cluster. you might use anything you want.
1 × Seramis Planting Clay Something like this: https://www.amazon.de/Seramis-730024-Ton-Granulat-2-5/dp/B00433MODG/ref=sr_1_8?ie=UTF8&qid=1488316893&sr=8-8&keywords=seramis