卡坦火山和火山岩（变体：卡坦沉降器）

The roules you find here:
To play this variant you need:
one volcano landscape. If you already created the scenario "the colonies" ( you already have the volcano needed for this variant
INTERLOCKING PARTS (NO MAGNETS NEEDED):
If you don't want to use magnets, I have made some interlocking parts for the landscapes here:
OTHER SCENARIOS & VARIANTS:
Thx isustrik for your nice design!