Breaking boulders and ore: stone and quartz at first, copper and tin later.
What it unlocks
| Level | Lets you make |
|---|---|
| 2 | |
| 2 | |
| 2 | |
| 3 | |
| 5 | |
| 8 | |
| 9 | |
| 10 | |
| 10 |
Projects that need it
- The cable car to the Bergalm: level 2
- The old mine: level 3
- The climbing path to the Wasserfallalm: level 7