To reach the wonder the wooden stairs have to be build once again on the edge of the right side of the screen. After they have finished building the wonder will be available for repair.
The Mining Machine is available from level 25 onwards (as soon as the mountain has been reached) and works just like the previous wonders, which means it will give out one Smurfberry per week when it has been repaired.
There are four stages to the reparation of the mining machine. The following resources are needed to build it; they are similar to the amount of resources needed for the carousel: