from Martini lamps to gravity cars

Der kleine Wassermann

The player who has rung the most cards at the end is the winner

Paper filigree

the formation of bacteria inside is avoided

Unterirdische Wunderwelten bänder und Perlen from Martini lamps to gravityGrottos, tunnels, stalactite caves This tour takes us down into the fascinating world beneath our feet. We discover a cave with huge columns of ice, marvel at a starry sky made up of millions of fireflies and even find ourselves in the belly of a volcano! But it's not just nature that has created underground wonders humans have too: ancient cave cities, secret structures in the depths and technical masterpieces such as the Gotthard Tunnel are just