This day the schoolkids could understand how life on earth started with “fish becoming amphibians”…. Soon enough all of them have been able to distinguish between amphibians and reptiles. With heaps of laughter and active games, they could discover the habits of these animals. Beside a celebrated toad marriage, a temperature-sensor-check had been undertaken. Apart from that a concert took place with a froggy instrument and a snake rattle. In the end the kids could either create a froggy-catching game or a snake surprise out of recycled waste. Amphibians and reptiles are both endangered species, which find an important secondary habitat in quarries like "Locksberg" in Lengfurt.